/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#050d1a;
  --accent:#6c63ff;
  --accent2:#a78bfa;
  --accent3:#06b6d4;
  --gold:#f59e0b;
  --bg:#f8f7ff;
  --card:#ffffff;
  --text:#0f172a;
  --text-light:#64748b;
  --radius:16px;
  --shadow:0 4px 24px rgba(108,99,255,.10);
  --shadow-lg:0 16px 48px rgba(108,99,255,.18);
  --transition:.3s cubic-bezier(.4,0,.2,1);
  --glass:rgba(255,255,255,.12);
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden}
a{color:var(--accent);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent2)}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}

/* ===== NAVBAR ===== */
.navbar{position:fixed;top:0;left:0;width:100%;background:rgba(5,13,26,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);z-index:1000;padding:.9rem 0;border-bottom:1px solid rgba(108,99,255,.15);transition:all var(--transition)}
.navbar.scrolled{box-shadow:0 4px 30px rgba(108,99,255,.2)}
.nav-container{max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between}
.nav-logo{color:#fff;font-weight:800;font-size:1.4rem;letter-spacing:-.5px;background:linear-gradient(90deg,#fff,var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;gap:2rem;align-items:center}
.nav-links a{color:rgba(255,255,255,.75);font-weight:500;font-size:.95rem;position:relative;padding:.3rem 0;letter-spacing:.3px}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:2px;transition:width var(--transition)}
.nav-links a:hover,.nav-links a.active{color:#fff;-webkit-text-fill-color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:.5rem}
.hamburger span{width:26px;height:2px;background:#fff;transition:var(--transition);border-radius:2px}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ===== HERO ===== */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:linear-gradient(135deg,#050d1a 0%,#0f0a2e 40%,#1a0a3e 70%,#0d1f3c 100%);color:#fff;padding:6rem 1.5rem 4rem;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(108,99,255,.25) 0%,transparent 70%)}
.hero::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 40% at 80% 80%,rgba(6,182,212,.12) 0%,transparent 60%)}
.hero-content{position:relative;z-index:1;max-width:750px}
.hero h1{font-size:clamp(2.8rem,7vw,4.5rem);font-weight:900;margin-bottom:1.2rem;line-height:1.05;letter-spacing:-1.5px}
.hero h1 span{background:linear-gradient(135deg,var(--accent2),var(--accent3));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:clamp(1rem,2.5vw,1.2rem);opacity:.8;margin-bottom:2.5rem;max-width:560px;margin-left:auto;margin-right:auto}
.hero-badges{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-bottom:3rem}
.hero-badges span{background:var(--glass);border:1px solid rgba(255,255,255,.15);padding:.5rem 1.3rem;border-radius:50px;font-size:.88rem;backdrop-filter:blur(8px);letter-spacing:.3px}
.btn{display:inline-block;padding:.85rem 2.2rem;border-radius:50px;font-weight:700;font-size:.95rem;transition:all var(--transition);cursor:pointer;border:none;letter-spacing:.3px}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 4px 20px rgba(108,99,255,.4)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 35px rgba(108,99,255,.55);color:#fff}
.btn-outline{border:2px solid rgba(255,255,255,.35);color:#fff;background:transparent;backdrop-filter:blur(8px)}
.btn-outline:hover{border-color:var(--accent2);background:rgba(167,139,250,.15);color:#fff}
.hero-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* ===== SECTIONS ===== */
section{padding:5.5rem 1.5rem}
.section-container{max-width:1200px;margin:0 auto}
.section-title{text-align:center;margin-bottom:3.5rem}
.section-title h2{font-size:clamp(1.9rem,4vw,2.6rem);color:var(--primary);margin-bottom:.6rem;font-weight:800;letter-spacing:-.5px}
.section-title p{color:var(--text-light);font-size:1.05rem}
.section-title h2::after{content:'';display:block;width:50px;height:4px;background:linear-gradient(90deg,var(--accent),var(--accent3));border-radius:4px;margin:.9rem auto 0}

/* ===== ABOUT ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.about-text p{margin-bottom:1.1rem;color:var(--text-light);font-size:1.02rem}
.about-stats{display:flex;gap:2rem;margin-top:2rem;padding:1.5rem;background:linear-gradient(135deg,rgba(108,99,255,.06),rgba(6,182,212,.06));border-radius:var(--radius);border:1px solid rgba(108,99,255,.1)}
.stat{text-align:center;flex:1}
.stat .num{font-size:2.2rem;font-weight:900;background:linear-gradient(135deg,var(--accent),var(--accent3));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat .label{font-size:.82rem;color:var(--text-light);text-transform:uppercase;letter-spacing:.8px;margin-top:.2rem}
.about-image{position:relative}
.about-image img{border-radius:20px;box-shadow:var(--shadow-lg)}
.about-image::before{content:'';position:absolute;inset:-8px;border-radius:24px;background:linear-gradient(135deg,var(--accent),var(--accent3));z-index:-1;opacity:.3;filter:blur(20px)}

/* ===== CARDS / TILES ===== */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}
.tile{background:var(--card);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition);border:1px solid rgba(108,99,255,.08)}
.tile:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg)}
.tile-icon{height:200px;display:flex;align-items:center;justify-content:center;font-size:4rem;color:#fff;position:relative;overflow:hidden}
.tile-icon img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.tile:hover .tile-icon img{transform:scale(1.08)}
.tile-icon::after{content:'';position:absolute;inset:0;background:rgba(0,0,0,.1)}
.tile-icon.running{background:linear-gradient(135deg,#0ea5e9,#6366f1)}
.tile-icon.it{background:linear-gradient(135deg,#8b5cf6,#ec4899)}
.tile-icon.projects{background:linear-gradient(135deg,#06b6d4,#3b82f6)}
.tile-body{padding:1.8rem}
.tile-body h3{font-size:1.25rem;margin-bottom:.6rem;color:var(--primary);font-weight:700}
.tile-body p{color:var(--text-light);font-size:.95rem;margin-bottom:1.2rem;line-height:1.6}
.tile-body span{font-weight:700;color:var(--accent);font-size:.9rem;display:inline-flex;align-items:center;gap:.3rem}

/* ===== CONTACT ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem}
.contact-info{display:flex;flex-direction:column;gap:1.5rem}
.contact-item{display:flex;gap:1rem;align-items:flex-start}
.contact-item .icon{width:50px;height:50px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;box-shadow:0 4px 15px rgba(108,99,255,.3)}
.contact-form input,.contact-form textarea{width:100%;padding:.9rem 1.2rem;border:2px solid rgba(108,99,255,.15);border-radius:12px;font-size:1rem;font-family:inherit;transition:all var(--transition);background:#fff;color:var(--text)}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(108,99,255,.1)}
.contact-form textarea{min-height:130px;resize:vertical}
.contact-form .form-group{margin-bottom:1.1rem}

/* ===== FOOTER ===== */
.footer{background:linear-gradient(135deg,#050d1a,#0f0a2e);color:rgba(255,255,255,.6);padding:3rem 1.5rem 1.5rem;text-align:center;border-top:1px solid rgba(108,99,255,.15)}
.footer-content{max-width:1200px;margin:0 auto}
.footer-links{display:flex;justify-content:center;gap:2rem;margin-bottom:1.5rem;flex-wrap:wrap}
.footer-links a{color:rgba(255,255,255,.6);font-size:.95rem;transition:color var(--transition)}
.footer-links a:hover{color:var(--accent2)}
.social-links{display:flex;justify-content:center;gap:1.2rem;margin-bottom:1.5rem}
.social-links a{width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem;transition:all var(--transition);background:rgba(255,255,255,.05)}
.social-links a:hover{background:linear-gradient(135deg,var(--accent),var(--accent2));border-color:transparent;transform:translateY(-2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:1rem;font-size:.85rem}

/* ===== SUBPAGE HERO ===== */
.page-hero{padding:8rem 1.5rem 4rem;text-align:center;background:linear-gradient(135deg,#050d1a 0%,#0f0a2e 50%,#1a0a3e 100%);color:#fff;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 50% at 50% 100%,rgba(108,99,255,.2) 0%,transparent 70%)}
.page-hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:900;margin-bottom:.6rem;letter-spacing:-1px;position:relative}
.page-hero p{opacity:.75;font-size:1.1rem;position:relative}

/* ===== ACHIEVEMENTS ===== */
.achievements{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:3rem}
.achievement{background:var(--card);padding:1.8rem;border-radius:var(--radius);box-shadow:var(--shadow);border-left:4px solid transparent;border-image:linear-gradient(to bottom,var(--accent),var(--accent3)) 1;position:relative;overflow:hidden}
.achievement::before{content:'';position:absolute;top:0;right:0;width:80px;height:80px;background:radial-gradient(circle,rgba(108,99,255,.08),transparent);border-radius:50%}
.achievement h4{color:var(--primary);font-weight:700;font-size:1.05rem}
.achievement p{color:var(--text-light);font-size:.9rem;margin-top:.3rem}

/* ===== PROJECTS PAGE ===== */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:2rem}
.project-card{background:var(--card);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);transition:all var(--transition);border:1px solid rgba(108,99,255,.08)}
.project-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:rgba(108,99,255,.2)}
.project-thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;color:#fff;font-size:2rem;overflow:hidden}
.project-info{padding:1.6rem}
.project-info h3{color:var(--primary);margin-bottom:.5rem;font-weight:700;font-size:1.05rem}
.project-info p{color:var(--text-light);font-size:.9rem;margin-bottom:1rem;line-height:1.6}
.project-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1rem}
.project-tags span{background:linear-gradient(135deg,rgba(108,99,255,.08),rgba(6,182,212,.08));padding:.25rem .8rem;border-radius:50px;font-size:.78rem;color:var(--accent);font-weight:600;border:1px solid rgba(108,99,255,.12)}
.project-links{display:flex;gap:1rem}
.project-links a{font-weight:700;font-size:.9rem;color:var(--accent);padding:.4rem 1rem;border-radius:50px;border:1.5px solid rgba(108,99,255,.25);transition:all var(--transition)}
.project-links a:hover{background:var(--accent);color:#fff;border-color:var(--accent)}

/* ===== GALERIA ===== */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:2rem}
.gallery-grid .gallery-item{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:1;cursor:pointer}
.gallery-grid .gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s;pointer-events:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.gallery-grid .gallery-item:hover img{transform:scale(1.08)}
.gallery-grid .gallery-item::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.4),transparent);opacity:0;transition:opacity .3s}
.gallery-grid .gallery-item:hover::after{opacity:1}
.gallery-grid .gallery-item:nth-child(1){grid-column:span 2;grid-row:span 2;aspect-ratio:auto}
.lightbox-simple{display:none;position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,.92);align-items:center;justify-content:center}
.lightbox-simple.active{display:flex}
.lightbox-simple img{max-width:90vw;max-height:88vh;border-radius:12px;box-shadow:0 8px 40px rgba(0,0,0,.5)}
.lightbox-simple-close{position:absolute;top:20px;right:28px;background:none;border:none;color:#fff;font-size:2.5rem;cursor:pointer;line-height:1}
@media(max-width:768px){.gallery-grid{grid-template-columns:repeat(2,1fr)}.gallery-grid .gallery-item:nth-child(1){grid-column:span 2}}

/* ===== ANIMATIONS ===== */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .65s cubic-bezier(.4,0,.2,1),transform .65s cubic-bezier(.4,0,.2,1)}
.fade-in.visible{opacity:1;transform:translateY(0)}
.slide-left{opacity:0;transform:translateX(-40px);transition:opacity .65s cubic-bezier(.4,0,.2,1),transform .65s cubic-bezier(.4,0,.2,1)}
.slide-left.visible{opacity:1;transform:translateX(0)}
.slide-right{opacity:0;transform:translateX(40px);transition:opacity .65s cubic-bezier(.4,0,.2,1),transform .65s cubic-bezier(.4,0,.2,1)}
.slide-right.visible{opacity:1;transform:translateX(0)}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  .hamburger{display:flex}
  .nav-links{position:fixed;top:0;right:-100%;width:72%;max-width:300px;height:100vh;background:linear-gradient(160deg,#050d1a,#0f0a2e);flex-direction:column;padding:5rem 2rem 2rem;gap:1.5rem;transition:right var(--transition);box-shadow:-8px 0 40px rgba(0,0,0,.4)}
  .nav-links.open{right:0}
  .nav-links a{font-size:1.1rem}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .about-image{order:-1}
  .hero-buttons{flex-direction:column;align-items:center}
  .about-stats{justify-content:center;gap:1rem}
  .tiles{grid-template-columns:1fr}
  .projects-grid{grid-template-columns:1fr}
}