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

:root {
  --bg: #07080f; --bg2: #0d0f1c; --bg3: #12152a;
  --blue: #3b82f6; --blue-glow: #2563eb; --blue-light: #93c5fd;
  --white: #f1f5f9; --muted: #64748b; --border: rgba(59,130,246,0.15);
  --card: rgba(255,255,255,0.03);
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--white); overflow-x: hidden; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 6%; background: rgba(7,8,15,0.85);
  backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); transition: padding 0.3s;
}
.logo { font-size: 1.4rem; font-weight: 800; letter-spacing: -0.5px; color: var(--white); }
.logo span { color: var(--blue); }
.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-links a { color: var(--muted); font-size: 0.9rem; font-weight: 500; text-decoration: none; transition: color 0.2s; }
.nav-links a:hover { color: var(--white); }
.nav-cta { background: var(--blue); color: #fff; padding: 10px 22px; border-radius: 8px; font-size: 0.875rem; font-weight: 600; text-decoration: none; transition: all 0.2s; }
.nav-cta:hover { background: var(--blue-glow); transform: translateY(-1px); }

/* HERO */
#hero { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 120px 6% 80px; position: relative; overflow: hidden; }
.hero-glow { position: absolute; width: 700px; height: 700px; background: radial-gradient(circle, rgba(59,130,246,0.12) 0%, transparent 70%); top: 50%; left: 50%; transform: translate(-50%, -55%); pointer-events: none; }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(59,130,246,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(59,130,246,0.05) 1px, transparent 1px); background-size: 60px 60px; mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%); }
.badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: var(--blue-light); font-size: 0.8rem; font-weight: 500; padding: 6px 16px; border-radius: 100px; margin-bottom: 28px; position: relative; }
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.4)} }
h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); font-weight: 900; line-height: 1.07; letter-spacing: -2px; max-width: 900px; position: relative; }
h1 .accent { color: var(--blue); }
.hero-sub { font-size: clamp(1rem,1.5vw,1.2rem); color: var(--muted); max-width: 560px; line-height: 1.75; margin-top: 24px; position: relative; }
.hero-actions { display: flex; gap: 16px; margin-top: 40px; position: relative; flex-wrap: wrap; justify-content: center; }
.btn-primary { background: var(--blue); color: #fff; padding: 14px 32px; border-radius: 10px; font-size: .95rem; font-weight: 600; text-decoration: none; transition: all .2s; box-shadow: 0 0 30px rgba(59,130,246,.3); }
.btn-primary:hover { background: var(--blue-glow); transform: translateY(-2px); box-shadow: 0 0 45px rgba(59,130,246,.45); }
.btn-secondary { background: transparent; color: var(--white); padding: 14px 32px; border-radius: 10px; font-size: .95rem; font-weight: 600; text-decoration: none; border: 1px solid rgba(255,255,255,.12); transition: all .2s; }
.btn-secondary:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }
.hero-stats { display: flex; gap: 48px; margin-top: 72px; position: relative; flex-wrap: wrap; justify-content: center; }
.stat { text-align: center; }
.stat-num { font-size: 2rem; font-weight: 800; color: var(--white); letter-spacing: -1px; }
.stat-num span { color: var(--blue); }
.stat-label { font-size: .8rem; color: var(--muted); margin-top: 4px; font-weight: 500; }

/* SECTIONS */
section { padding: 100px 6%; }
.section-tag { display: inline-block; color: var(--blue); font-size: .8rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 14px; }
.section-title { font-size: clamp(2rem,3.5vw,3rem); font-weight: 800; letter-spacing: -1px; line-height: 1.15; max-width: 600px; }
.section-sub { color: var(--muted); font-size: 1rem; line-height: 1.75; max-width: 520px; margin-top: 16px; }
.divider { height: 1px; background: linear-gradient(90deg,transparent,var(--border),transparent); margin: 0 6%; }

/* SERVICES */
#services { background: var(--bg2); }
.services-header { margin-bottom: 60px; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 24px; }
.service-card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 36px 32px; transition: all .3s; position: relative; overflow: hidden; }
.service-card::before { content:''; position:absolute; top:0; left:0; right:0; height:2px; background:linear-gradient(90deg,transparent,var(--blue),transparent); opacity:0; transition:opacity .3s; }
.service-card:hover { transform: translateY(-6px); border-color: rgba(59,130,246,.4); }
.service-card:hover::before { opacity: 1; }
.service-icon { width:52px; height:52px; background:rgba(59,130,246,.1); border:1px solid rgba(59,130,246,.2); border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:1.4rem; margin-bottom:24px; }
.service-card h3 { font-size:1.15rem; font-weight:700; margin-bottom:12px; }
.service-card p { color:var(--muted); font-size:.9rem; line-height:1.7; }
.service-tags { display:flex; flex-wrap:wrap; gap:8px; margin-top:20px; }
.tag { background:rgba(59,130,246,.08); border:1px solid rgba(59,130,246,.15); color:var(--blue-light); font-size:.72rem; font-weight:600; padding:4px 10px; border-radius:6px; }

/* PORTFOLIO */
#portfolio { background: var(--bg); }
.portfolio-header { display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:56px; flex-wrap:wrap; gap:24px; }
.view-all { color:var(--blue); font-size:.875rem; font-weight:600; text-decoration:none; display:flex; align-items:center; gap:6px; transition:gap .2s; }
.view-all:hover { gap:10px; }
.portfolio-grid { display:grid; grid-template-columns:repeat(12,1fr); gap:20px; }
.proj { border-radius:16px; overflow:hidden; border:1px solid var(--border); position:relative; cursor:pointer; transition:transform .3s,border-color .3s; min-height:260px; display:flex; flex-direction:column; justify-content:flex-end; }
.proj:hover { transform:translateY(-6px); border-color:rgba(59,130,246,.4); }
.proj-1 { grid-column:span 7; } .proj-2 { grid-column:span 5; }
.proj-3 { grid-column:span 5; } .proj-4 { grid-column:span 7; }
.proj-bg { position:absolute; inset:0; }
.proj-overlay { position:absolute; inset:0; background:linear-gradient(to top,rgba(7,8,15,.95) 0%,rgba(7,8,15,.3) 60%,transparent 100%); }
.proj-bg-1 { background:linear-gradient(135deg,#0f1729,#1a2744,#0d1f3c); }
.proj-bg-2 { background:linear-gradient(135deg,#0f1a14,#1a3320,#0d2018); }
.proj-bg-3 { background:linear-gradient(135deg,#1a0f29,#2d1a44,#1c0d3c); }
.proj-bg-4 { background:linear-gradient(135deg,#1a1109,#3d2a10,#2c1f08); }
.proj-icon { position:absolute; top:24px; right:24px; font-size:2.5rem; opacity:.25; }
.proj-content { position:relative; padding:28px; }
.proj-type { font-size:.72rem; font-weight:700; letter-spacing:1.5px; text-transform:uppercase; color:var(--blue); margin-bottom:8px; }
.proj-title { font-size:1.2rem; font-weight:700; margin-bottom:6px; }
.proj-desc { font-size:.85rem; color:var(--muted); line-height:1.6; }
.proj-arrow { display:inline-flex; align-items:center; gap:6px; color:var(--blue); font-size:.8rem; font-weight:600; margin-top:14px; opacity:0; transform:translateX(-6px); transition:all .3s; }
.proj:hover .proj-arrow { opacity:1; transform:translateX(0); }

/* PROCESS */
#process { background: var(--bg2); }
.process-header { text-align:center; margin-bottom:64px; }
.process-header .section-title, .process-header .section-sub { max-width:100%; margin-left:auto; margin-right:auto; text-align:center; }
.process-steps { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); position:relative; }
.process-steps::before { content:''; position:absolute; top:32px; left:10%; right:10%; height:1px; background:linear-gradient(90deg,transparent,var(--border),var(--border),transparent); }
.step { text-align:center; padding:0 20px; position:relative; }
.step-num { width:64px; height:64px; background:var(--bg); border:1px solid var(--border); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:1.2rem; font-weight:800; color:var(--blue); margin:0 auto 24px; position:relative; z-index:1; transition:all .3s; }
.step:hover .step-num { background:var(--blue); color:#fff; box-shadow:0 0 30px rgba(59,130,246,.4); }
.step h4 { font-size:1rem; font-weight:700; margin-bottom:10px; }
.step p { font-size:.85rem; color:var(--muted); line-height:1.65; }

/* CONTACT */
#contact { background: var(--bg); }
.contact-wrap { display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center; }
.contact-info h2 { font-size:clamp(2rem,3vw,2.8rem); font-weight:800; letter-spacing:-1px; margin-bottom:20px; }
.contact-info p { color:var(--muted); line-height:1.75; font-size:1rem; }
.contact-items { margin-top:40px; display:flex; flex-direction:column; gap:20px; }
.contact-item { display:flex; align-items:center; gap:16px; }
.contact-item-icon { width:44px; height:44px; background:rgba(59,130,246,.1); border:1px solid rgba(59,130,246,.2); border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:1rem; flex-shrink:0; }
.contact-item-text { font-size:.9rem; color:var(--muted); }
.contact-item-text strong { color:var(--white); display:block; font-weight:600; margin-bottom:2px; }
.contact-form { background:var(--card); border:1px solid var(--border); border-radius:20px; padding:40px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { display:flex; flex-direction:column; gap:8px; margin-bottom:16px; }
.form-group label { font-size:.8rem; font-weight:600; color:var(--muted); }
.form-group input, .form-group select, .form-group textarea { background:rgba(255,255,255,.04); border:1px solid var(--border); border-radius:10px; padding:12px 16px; color:var(--white); font-family:inherit; font-size:.9rem; outline:none; transition:border-color .2s; width:100%; }
.form-group select option { background:var(--bg3); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color:var(--blue); }
.form-group input::placeholder, .form-group textarea::placeholder { color:var(--muted); }
.form-group textarea { resize:vertical; min-height:120px; }
.btn-submit { width:100%; padding:14px; background:var(--blue); color:#fff; border:none; border-radius:10px; font-size:.95rem; font-weight:700; cursor:pointer; font-family:inherit; transition:all .2s; box-shadow:0 0 30px rgba(59,130,246,.25); margin-top:6px; }
.btn-submit:hover { background:var(--blue-glow); transform:translateY(-2px); box-shadow:0 0 45px rgba(59,130,246,.4); }

/* FOOTER */
footer { background:var(--bg2); border-top:1px solid var(--border); padding:48px 6% 32px; }
.footer-top { display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:32px; margin-bottom:40px; }
.footer-brand p { color:var(--muted); font-size:.85rem; margin-top:10px; max-width:260px; line-height:1.65; }
.footer-links h5 { font-size:.8rem; font-weight:700; text-transform:uppercase; letter-spacing:1.5px; color:var(--muted); margin-bottom:16px; }
.footer-links ul { list-style:none; display:flex; flex-direction:column; gap:10px; }
.footer-links a { color:var(--muted); font-size:.875rem; text-decoration:none; transition:color .2s; }
.footer-links a:hover { color:var(--white); }
.footer-bottom { border-top:1px solid var(--border); padding-top:24px; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; }
.footer-bottom p { color:var(--muted); font-size:.8rem; }
.footer-socials { display:flex; gap:12px; }
.footer-socials a { width:36px; height:36px; background:var(--card); border:1px solid var(--border); border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:.9rem; text-decoration:none; transition:all .2s; }
.footer-socials a:hover { border-color:var(--blue); transform:translateY(-2px); }

/* RESPONSIVE */
@media(max-width:900px) {
  .nav-links { display:none; }
  .proj-1,.proj-2,.proj-3,.proj-4 { grid-column:span 12; }
  .contact-wrap { grid-template-columns:1fr; gap:40px; }
  .form-row { grid-template-columns:1fr; }
  .process-steps::before { display:none; }
}
.case-study-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-size: .8rem;
  font-weight: 600;
  margin-top: 14px;
  text-decoration: none;
  opacity: 0;
  transform: translateX(-6px);
  transition: all .3s;
}

.proj:hover .case-study-link {
  opacity: 1;
  transform: translateX(0);
}