/* ── Google Fonts ─────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ── Reset & Variables ────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#3b82f6;
  --primary-dark:#2563eb;
  --primary-deeper:#1d4ed8;
  --primary-light:#dbeafe;
  --primary-subtle:#eff6ff;
  --primary-glow:rgba(59,130,246,.25);
  --secondary:#7c5cbf;
  --secondary-light:#ede9fe;
  --dark:#1a1a2e;
  --dark-card:#25253d;
  --gray:#6b7280;
  --gray-light:#f3f4f6;
  --white:#fff;
  --gradient:linear-gradient(135deg,#3b82f6 0%,#2563eb 50%,#1d4ed8 100%);
  --gradient-hero:linear-gradient(160deg,#0f172a 0%,#1e293b 50%,#0f172a 100%);
  --gradient-cta:linear-gradient(135deg,#3b82f6 0%,#2563eb 100%);
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 4px 24px rgba(59,130,246,.15);
  --shadow-lg:0 10px 40px rgba(59,130,246,.2);
  --transition:0.3s cubic-bezier(0.4,0,0.2,1);
  --font:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--dark);line-height:1.7;background:#f8fafc;-webkit-font-smoothing:antialiased}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
img{max-width:100%;height:auto;display:block}

/* ── Loader ──────────────────────────────────── */
.loader{width:36px;height:36px;border:3px solid #e2e8f0;border-top:3px solid var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin:3rem auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Navbar ──────────────────────────────────── */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.85);backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(226,232,240,.5);
  transition:background var(--transition),box-shadow var(--transition);
}
.navbar.scrolled{box-shadow:0 1px 20px rgba(0,0,0,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-size:1.5rem;font-weight:900;color:var(--dark);letter-spacing:-0.5px}
.logo span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;gap:2rem;list-style:none;align-items:center}
.nav-links a{
  font-weight:500;font-size:.9rem;color:var(--gray);
  position:relative;padding:.25rem 0;
}
.nav-links a::after{
  content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;
  background:var(--gradient);transition:width var(--transition);border-radius:2px;
}
.nav-links a:hover,.nav-links a.active{color:var(--primary-dark)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.hamburger{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--dark);padding:4px}

/* ── Hero ────────────────────────────────────── */
.hero{
  position:relative;overflow:hidden;
  padding:8rem 0 6rem;margin-top:0;
  background:var(--gradient-hero);
}
.hero::before{
  content:'';position:absolute;top:-50%;right:-15%;width:600px;height:600px;
  background:radial-gradient(circle,rgba(59,130,246,.12) 0%,transparent 70%);
  border-radius:50%;pointer-events:none;
}
.hero::after{
  content:'';position:absolute;bottom:-30%;left:-10%;width:500px;height:500px;
  background:radial-gradient(circle,rgba(59,130,246,.08) 0%,transparent 70%);
  border-radius:50%;pointer-events:none;
}
.hero-content{position:relative;z-index:1;text-align:center}
.hero-badge{
  display:inline-block;background:rgba(59,130,246,.12);color:var(--primary);
  padding:.35rem 1rem;border-radius:50px;font-size:.8rem;font-weight:600;
  margin-bottom:1.5rem;backdrop-filter:blur(10px);
  border:1px solid rgba(59,130,246,.2);
}
.hero h1{
  font-size:3.2rem;font-weight:900;line-height:1.15;color:var(--white);
  max-width:800px;margin:0 auto 1.25rem;letter-spacing:-1px;
}
.hero .gradient-text{
  background:linear-gradient(135deg,#3b82f6,#2563eb,#1d4ed8);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero p{
  font-size:1.15rem;color:rgba(255,255,255,.65);max-width:580px;
  margin:0 auto 2.5rem;line-height:1.8;
}
.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* ── Buttons ─────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.8rem 2rem;border-radius:var(--radius-sm);
  font-weight:600;font-size:.95rem;
  transition:all var(--transition);cursor:pointer;
  border:2px solid transparent;font-family:inherit;
}
.btn-primary{
  background:var(--gradient);color:var(--white);border:none;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(59,130,246,.35)}
.btn-secondary{
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.9);
  border:1px solid rgba(255,255,255,.15);
}
.btn-secondary:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-outline{
  background:transparent;color:var(--primary-dark);border-color:var(--primary);
}
.btn-outline:hover{background:var(--primary);color:var(--white);border-color:var(--primary)}
.btn-sm{padding:.45rem 1.1rem;font-size:.82rem;border-radius:8px}
.btn-danger{background:#ef4444;color:white;border:none}
.btn-danger:hover{background:#dc2626;transform:translateY(-1px)}
.btn-ghost{background:var(--gray-light);color:var(--dark);border:none}
.btn-ghost:hover{background:#e2e8f0}

/* ── Section Common ──────────────────────────── */
.section{padding:5rem 0}
.section-header{text-align:center;margin-bottom:3.5rem}
.section-tag{
  display:inline-block;background:var(--primary-subtle);color:var(--primary-deeper);
  padding:.25rem 1rem;border-radius:50px;font-size:.78rem;font-weight:600;
  margin-bottom:.75rem;text-transform:uppercase;letter-spacing:1px;
}
.section-title{
  font-size:2.2rem;font-weight:800;letter-spacing:-0.5px;
}
.section-sub{
  color:var(--gray);margin-top:.75rem;max-width:560px;margin-left:auto;margin-right:auto;
}

/* ── Services ────────────────────────────────── */
.section-alt{background:var(--white)}
.services-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.75rem;
}
.service-card{
  background:var(--white);border:1px solid #e2e8f0;border-radius:var(--radius);
  padding:2.5rem 2rem;text-align:center;cursor:default;
  transition:all var(--transition);position:relative;overflow:hidden;
}
.service-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--gradient);transform:scaleX(0);transform-origin:left;
  transition:transform var(--transition);
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{
  width:64px;height:64px;margin:0 auto 1.25rem;
  background:var(--primary-subtle);border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.8rem;color:var(--primary-dark);
}
.service-card h3{font-size:1.15rem;margin-bottom:.5rem}
.service-card p{color:var(--gray);font-size:.92rem;line-height:1.65}

/* ── Project Cards ───────────────────────────── */
.project-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:1.75rem;
}
.project-card{
  background:var(--white);border-radius:var(--radius);overflow:hidden;
  transition:all var(--transition);display:block;
  border:1px solid #e2e8f0;position:relative;
}
.project-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.project-img{height:230px;overflow:hidden;position:relative}
.project-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.project-card:hover .project-img img{transform:scale(1.08)}
.project-cat{
  position:absolute;top:12px;left:12px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  color:var(--primary-deeper);padding:.25rem .7rem;border-radius:6px;
  font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;
}
.project-info{padding:1.35rem}
.project-info h3{font-size:1.08rem;font-weight:700;margin-bottom:.4rem;transition:color var(--transition)}
.project-card:hover .project-info h3{color:var(--primary-dark)}
.project-info p{color:var(--gray);font-size:.88rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ── Tech Stack ────────────────────────────── */
.tech-grid{
  display:flex;flex-wrap:wrap;gap:1rem;
  justify-content:center;max-width:800px;margin:0 auto;
}
.tech-item{
  display:flex;flex-direction:column;align-items:center;gap:.4rem;
  width:100px;padding:1.25rem .75rem;
  background:var(--white);border:1px solid #e2e8f0;
  border-radius:var(--radius-sm);
  transition:all var(--transition);cursor:default;
}
.tech-item:hover{
  transform:translateY(-4px);box-shadow:var(--shadow);
  border-color:var(--primary);
}
.tech-item i{font-size:2rem;color:var(--primary-dark)}
.tech-item span{font-size:.78rem;font-weight:600;color:var(--gray)}
/* ── CTA ─────────────────────────────────────── */
.cta{
  position:relative;overflow:hidden;
  background:var(--gradient-cta);color:var(--white);text-align:center;padding:5rem 0;
}
.cta::before{
  content:'';position:absolute;top:-60%;left:-10%;width:500px;height:500px;
  background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);
  border-radius:50%;pointer-events:none;
}
.cta h2{font-size:2.2rem;font-weight:800;margin-bottom:.75rem;position:relative}
.cta p{margin-bottom:2rem;opacity:.92;position:relative}
.cta .btn-primary{background:var(--white);color:var(--primary-deeper)}
.cta .btn-primary:hover{background:var(--gray-light);transform:translateY(-2px)}

/* ── Footer ──────────────────────────────────── */
.footer{background:var(--dark);color:rgba(255,255,255,.5);text-align:center;padding:2.5rem 0;font-size:.88rem}

/* ── Page Header ─────────────────────────────── */
.page-header{
  background:var(--gradient-hero);padding:7rem 0 4rem;text-align:center;
  position:relative;overflow:hidden;
}
.page-header::before{
  content:'';position:absolute;top:-30%;right:-5%;width:400px;height:400px;
  background:radial-gradient(circle,rgba(59,130,246,.1) 0%,transparent 70%);
  border-radius:50%;pointer-events:none;
}
.page-header h1{font-size:2.5rem;font-weight:900;color:var(--white);position:relative}
.page-header p{color:rgba(255,255,255,.6);margin-top:.5rem;position:relative}

/* ── Portfolio Filter ────────────────────────── */
.portfolio-filter{padding:1.75rem 0;background:var(--white);border-bottom:1px solid #e2e8f0;position:sticky;top:68px;z-index:99}
.filter-btns{display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap}
.filter-btn{
  padding:.5rem 1.4rem;border:1px solid #e2e8f0;border-radius:50px;
  background:var(--white);cursor:pointer;font-weight:500;font-size:.88rem;
  transition:all var(--transition);color:var(--gray);font-family:inherit;
}
.filter-btn:hover{border-color:var(--primary);color:var(--primary-dark)}
.filter-btn.active{background:var(--gradient);color:var(--white);border-color:transparent}

.desc-html{line-height:1.85;font-size:.95rem;color:var(--gray)}
.desc-html p{margin-bottom:.75rem}
.desc-html img{max-width:100%;border-radius:8px;margin:1rem 0}
.desc-html ul,.desc-html ol{padding-left:1.5rem;margin-bottom:.75rem}
.desc-html li{margin-bottom:.35rem}
.desc-html h1,.desc-html h2,.desc-html h3,.desc-html h4{margin:1.5rem 0 .5rem;color:var(--dark)}
/* ── Project Detail ──────────────────────────── */
.project-detail{padding:3rem 0 5rem}
.back-link{
  display:inline-flex;align-items:center;gap:.5rem;
  color:var(--primary-dark);font-weight:600;margin-bottom:2rem;font-size:.92rem;
}
.back-link:hover{opacity:.8}
.detail-hero-wrapper{
  width:100%;height:480px;overflow:hidden;border-radius:var(--radius);
  margin-bottom:2.5rem;position:relative;
}
.detail-hero{width:100%;height:100%;object-fit:cover;object-position:center}
.detail-hero-overlay{
  position:absolute;bottom:0;left:0;right:0;
  background:linear-gradient(transparent,rgba(26,26,46,.8));
  padding:3rem 2rem 1.5rem;
}
.detail-hero-overlay .project-cat{position:static;display:inline-block}
.detail-hero-overlay .project-date{color:rgba(255,255,255,.7);font-size:.85rem;margin-left:.75rem}
.detail-header{margin-bottom:2.5rem}
.detail-header h1{font-size:2.2rem;font-weight:900;letter-spacing:-.5px;margin-bottom:.75rem}
.detail-body{display:grid;grid-template-columns:2fr 1fr;gap:2.5rem}
.detail-main h3{
  font-size:1.15rem;font-weight:700;margin:2rem 0 .75rem;
  display:flex;align-items:center;gap:.5rem;
}
.detail-main p{color:var(--gray);line-height:1.85;font-size:.95rem}
.project-gallery{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1rem;margin-top:.5rem;
}
.project-gallery img{
  border-radius:var(--radius-sm);width:100%;height:150px;object-fit:cover;
  transition:transform var(--transition);cursor:pointer;
}
.project-gallery img:hover{transform:scale(1.03)}
.detail-sidebar{display:flex;flex-direction:column;gap:1rem}
.detail-info-card{
  background:var(--white);border:1px solid #e2e8f0;border-radius:var(--radius-sm);
  padding:1.35rem;
}
.detail-info-card h4{font-size:.78rem;color:var(--gray);margin-bottom:.25rem;text-transform:uppercase;letter-spacing:.5px}
.detail-info-card p{font-weight:700;font-size:1rem}

/* ── About ───────────────────────────────────── */
.about-section{padding:5rem 0}
.about-content h2{font-size:2.2rem;font-weight:800;letter-spacing:-.5px;margin-bottom:1rem}
.about-content p{color:var(--gray);line-height:1.85;font-size:.95rem;max-width:800px}
.about-us-grid{display:grid;grid-template-columns:2fr 1fr;gap:2.5rem;align-items:start}
.about-contact-card{
  background:var(--gradient);color:var(--white);border-radius:var(--radius);
  padding:2rem;
}
.about-contact-card h3{font-size:1.2rem;margin-bottom:1.25rem}
.about-contact-card p{margin-bottom:.7rem;color:rgba(255,255,255,.88);font-size:.92rem}

/* ── Contact Page ────────────────────────────── */
.contact-section{padding:5rem 0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem}
.contact-info-card{
  background:var(--white);border:1px solid #e2e8f0;border-radius:var(--radius);
  padding:2rem;margin-bottom:1.5rem;
}
.contact-info-card:last-child{margin-bottom:0}
.contact-info-card h3{font-size:1.1rem;font-weight:700;margin-bottom:1rem}
.contact-info-item{display:flex;gap:.75rem;align-items:flex-start;margin-bottom:.75rem}
.contact-info-item .icon{
  width:40px;height:40px;border-radius:10px;background:var(--primary-subtle);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.1rem;
  color:var(--primary-dark);
}
.contact-info-item .text{color:var(--gray);font-size:.92rem}
.contact-info-item .text strong{display:block;color:var(--dark);margin-bottom:.1rem}
.contact-form-wrapper{
  background:var(--white);border:1px solid #e2e8f0;border-radius:var(--radius);
  padding:2rem;
}
.contact-form-wrapper h3{font-size:1.1rem;font-weight:700;margin-bottom:1.5rem}
.form-group{margin-bottom:1rem}
.form-group label{display:block;font-weight:600;font-size:.85rem;margin-bottom:.35rem;color:var(--dark)}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:.75rem 1rem;border:2px solid #e2e8f0;border-radius:8px;
  font-family:inherit;font-size:.92rem;transition:border-color var(--transition);
  background:var(--white);
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow);
}

/* ── Admin ───────────────────────────────────── */
.login-page{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:var(--gradient-hero);padding:1rem;
}
.login-card{
  background:var(--white);border-radius:var(--radius);padding:2.5rem;
  width:100%;max-width:420px;box-shadow:var(--shadow-lg);
}
.login-card h2{text-align:center;font-size:1.5rem;margin-bottom:.5rem}
.login-card .logo-text{text-align:center;color:var(--gray);font-size:.88rem;margin-bottom:2rem}
.login-error{color:#ef4444;text-align:center;margin-bottom:.75rem;font-size:.88rem}

.admin-wrap{background:#f1f5f9;min-height:100vh}
.admin-nav{
  background:var(--white);border-bottom:1px solid #e2e8f0;
  position:sticky;top:0;z-index:100;
}
.admin-nav .nav-inner{height:60px}
.admin-content{padding:2rem 0}
.admin-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem}
.tab-bar{display:flex;gap:0;border-bottom:2px solid #e2e8f0;margin-bottom:1.5rem}
.tab-btn{
  padding:.65rem 1.5rem;cursor:pointer;font-weight:600;font-size:.88rem;border:none;
  background:none;color:var(--gray);transition:all .2s;position:relative;font-family:inherit;
}
.tab-btn.active{color:var(--primary-dark)}
.tab-btn.active::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--primary)}
.tab-content{display:none}
.tab-content.active{display:block}

.admin-table{width:100%;border-collapse:collapse;margin-top:.5rem;background:var(--white);border-radius:var(--radius-sm);overflow:hidden}
.admin-table th,.admin-table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid #e2e8f0;font-size:.88rem}
.admin-table th{background:#f8fafc;font-weight:600;color:var(--gray);font-size:.78rem;text-transform:uppercase;letter-spacing:.5px}
.admin-table tr:hover{background:#f8fafc}
.admin-table td img{width:64px;height:44px;object-fit:cover;border-radius:6px}
.badge{padding:.15rem .5rem;border-radius:50px;font-size:.72rem;font-weight:600}
.badge.active{background:#dbeafe;color:#2563eb}
.badge.inactive{background:#fee2e2;color:#dc2626}
.admin-actions{display:flex;gap:.4rem;flex-wrap:wrap}

.config-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.config-grid .full{grid-column:1/-1}
.config-grid label{font-weight:600;display:block;margin-bottom:.25rem;font-size:.85rem}
.config-grid input,.config-grid textarea{width:100%;padding:.6rem .75rem;border:2px solid #e2e8f0;border-radius:8px;font-family:inherit;font-size:.9rem}

.form-overlay{
  position:fixed;top:0;left:0;right:0;bottom:0;
  background:rgba(26,26,46,.5);backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;z-index:2000;
}
.form-modal{
  background:var(--white);border-radius:var(--radius);padding:2.25rem;
  max-width:580px;width:90%;max-height:90vh;overflow-y:auto;
}
.form-modal h3{font-weight:800;font-size:1.3rem;margin-bottom:1.5rem}

/* ── Image Manager ──────────────────────────── */
.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem}
.image-card{background:var(--white);border:1px solid #e2e8f0;border-radius:var(--radius-sm);overflow:hidden;transition:all var(--transition);position:relative}
.image-card:hover{box-shadow:var(--shadow);border-color:var(--primary)}
.image-card.unused{border-color:#fca5a5;background:#fff5f5}
.image-thumb{height:140px;overflow:hidden}
.image-thumb img{width:100%;height:100%;object-fit:cover}
.image-meta{padding:.6rem;font-size:.78rem}
.image-name{display:block;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.image-size{color:var(--gray);font-size:.72rem}
.image-status{display:inline-block;margin-top:.25rem;padding:.1rem .5rem;border-radius:4px;font-size:.68rem;font-weight:600}
.image-status.used{background:#dbeafe;color:#2563eb}
.image-status.unused{background:#fee2e2;color:#dc2626}
.image-delete{position:absolute;top:6px;right:6px;width:28px;height:28px;background:rgba(239,68,68,.9);color:white;border:none;border-radius:6px;cursor:pointer;font-size:.72rem;opacity:0;transition:opacity var(--transition);display:flex;align-items:center;justify-content:center}
.image-card:hover .image-delete{opacity:1}

/* ── Responsive ──────────────────────────────── */
@media(max-width:768px){
  .hamburger{display:block}
  .nav-links{
    display:none;position:absolute;top:68px;left:0;right:0;
    background:rgba(255,255,255,.98);flex-direction:column;padding:.75rem 0;
    border-bottom:1px solid #e2e8f0;box-shadow:0 8px 24px rgba(0,0,0,.08);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:.65rem 1.5rem}
  .hero h1{font-size:2rem}
  .hero{padding:6rem 0 4rem}
  .project-grid{grid-template-columns:1fr}
  .detail-body{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .about-us-grid{grid-template-columns:1fr}
  .config-grid{grid-template-columns:1fr}
  .section-title{font-size:1.7rem}
  .page-header h1{font-size:1.8rem}
  .detail-header h1{font-size:1.6rem}
  .services-grid{grid-template-columns:1fr}
  .filter-btns{gap:.4rem}
  .filter-btn{font-size:.8rem;padding:.4rem 1rem}
  .detail-hero-wrapper{height:300px}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .hero h1{font-size:1.7rem}
  .hero-actions{flex-direction:column;align-items:center}
  .btn{width:100%;justify-content:center}
}