/* Office Khulna — public landing page styles */
:root{
  --ink:#0c1b2a;
  --paper:#f3efe7;
  --paper-2:#ece6da;
  --teal:#0e6e6b;
  --teal-dk:#0a4f4d;
  --amber:#e0612e;
  --line:#1d3142;
  --muted:#5e6f7a;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Inter",system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
.wrap{max-width:100%;margin:0 auto;padding:0 clamp(16px,3vw,48px)}
img{max-width:100%}
a{color:inherit;text-decoration:none}

/* nav */
nav{position:sticky;top:0;z-index:20;background:rgba(243,239,231,.85);backdrop-filter:blur(10px);border-bottom:1px solid rgba(12,27,42,.1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-family:"Space Grotesk";font-weight:700;font-size:1.15rem;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.mark{width:26px;height:26px;background:var(--ink);border-radius:6px;position:relative;flex-shrink:0}
.mark::before{content:"";position:absolute;inset:7px 7px auto auto;width:8px;height:8px;background:var(--amber);border-radius:50%}
.nav-links{display:flex;gap:28px;font-size:.92rem;font-weight:500}
.nav-links a{color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{background:var(--ink);color:var(--paper);padding:8px 16px;border-radius:8px;font-weight:500;font-size:.88rem}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-login{font-family:"Space Grotesk";font-weight:500;font-size:.88rem;color:var(--ink);padding:8px 15px;border:1.5px solid rgba(12,27,42,.18);border-radius:8px;transition:border-color .2s,color .2s}
.nav-login:hover{border-color:var(--ink);color:var(--teal-dk)}
@media(max-width:680px){.nav-links{display:none}}

/* hero */
.hero{padding:90px 0 70px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-copy{min-width:0}
.hero-visual{min-width:0}

/* code-editor animation window */
.code-window{background:#0b1622;border:1px solid rgba(255,255,255,.08);border-radius:14px;box-shadow:0 30px 70px rgba(12,27,42,.35);overflow:hidden}
.code-titlebar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.07)}
.code-titlebar .tl{width:11px;height:11px;border-radius:50%;flex-shrink:0}
.tl-r{background:#ff5f57}.tl-y{background:#febc2e}.tl-g{background:#28c840}
.code-filename{margin-left:8px;color:#7d94a6;font-size:.82rem;font-family:"Space Grotesk"}
.code-body{margin:0;padding:22px 22px 26px;min-height:248px;color:#cfe3e1;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;font-size:.9rem;line-height:1.75;white-space:pre-wrap;word-break:break-word;tab-size:2}
.code-cursor{display:inline-block;width:8px;height:1.05em;background:#e0612e;vertical-align:text-bottom;animation:blink 1s steps(1) infinite;margin-left:1px;border-radius:1px}
@keyframes blink{50%{opacity:0}}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}.hero-visual{display:none}}
.eyebrow{font-family:"Space Grotesk";font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin-bottom:22px}
.hero h1{font-family:"Space Grotesk";font-weight:700;font-size:clamp(2.4rem,6vw,4.3rem);line-height:1.02;letter-spacing:-.02em;max-width:13ch}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero p.lead{font-size:1.18rem;color:var(--muted);max-width:48ch;margin-top:26px}
.hero-actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.btn{padding:13px 24px;border-radius:10px;font-weight:600;font-size:.95rem;font-family:"Space Grotesk";transition:transform .15s,box-shadow .2s}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 6px 18px rgba(14,110,107,.28)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{border:1.5px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.hero-domain{display:inline-flex;align-items:center;gap:8px;margin-top:30px;font-family:"Space Grotesk";font-size:.95rem;color:var(--muted)}
.hero-domain b{color:var(--ink);font-weight:600}
.dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(14,110,107,.18)}
.grid-bg{position:absolute;right:-120px;top:40px;width:520px;height:520px;background-image:radial-gradient(circle,rgba(12,27,42,.12) 1.2px,transparent 1.2px);background-size:22px 22px;mask:radial-gradient(circle at center,#000,transparent 70%);z-index:-1}

/* stats strip */
.strip{border-top:1px solid rgba(12,27,42,.12);border-bottom:1px solid rgba(12,27,42,.12);background:var(--paper-2)}
.strip-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(12,27,42,.1)}
.stat{background:var(--paper-2);padding:28px 24px}
.stat .n{font-family:"Space Grotesk";font-size:1.9rem;font-weight:700;letter-spacing:-.02em}
.stat .l{font-size:.84rem;color:var(--muted);margin-top:4px}
@media(max-width:680px){.strip-inner{grid-template-columns:repeat(2,1fr)}}

/* services */
section.block{padding:84px 0}
.sec-head{margin-bottom:48px;max-width:60ch}
.sec-head .eyebrow{margin-bottom:14px}
.sec-head h2{font-family:"Space Grotesk";font-weight:700;font-size:clamp(1.8rem,3.6vw,2.6rem);letter-spacing:-.02em;line-height:1.1}
.services{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(12,27,42,.14);border:1px solid rgba(12,27,42,.14);border-radius:16px;overflow:hidden}
.svc{background:var(--paper);padding:40px 34px;position:relative;transition:background .25s}
.svc:hover{background:#fff}
.svc .num{font-family:"Space Grotesk";font-size:.8rem;font-weight:600;color:var(--amber);letter-spacing:.1em}
.svc h3{font-family:"Space Grotesk";font-size:1.4rem;font-weight:600;margin:16px 0 10px;letter-spacing:-.01em}
.svc p{color:var(--muted);font-size:.98rem}
.svc ul{list-style:none;margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.svc ul li{font-size:.8rem;font-family:"Space Grotesk";font-weight:500;background:var(--paper-2);padding:5px 11px;border-radius:20px;color:var(--teal-dk)}
@media(max-width:680px){.services{grid-template-columns:1fr}}

/* approach */
.approach{background:var(--ink);color:var(--paper);border-radius:20px;padding:60px 48px;margin:0 0 0}
.approach .eyebrow{color:#5fd0cc}
.approach h2{font-family:"Space Grotesk";font-weight:700;font-size:clamp(1.7rem,3.4vw,2.4rem);letter-spacing:-.02em;margin-bottom:40px;color:#fff}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step{border-top:2px solid rgba(255,255,255,.18);padding-top:20px}
.step .sn{font-family:"Space Grotesk";color:var(--amber);font-weight:700;font-size:1.1rem}
.step h4{font-family:"Space Grotesk";font-size:1.1rem;margin:8px 0 6px}
.step p{color:#a9bccb;font-size:.92rem}
@media(max-width:680px){.steps{grid-template-columns:1fr;gap:24px}.approach{padding:44px 26px}}

/* cta */
.final{text-align:center;padding:96px 0}
.final h2{font-family:"Space Grotesk";font-weight:700;font-size:clamp(2rem,4.6vw,3.2rem);letter-spacing:-.02em;line-height:1.05;max-width:18ch;margin:0 auto}
.final p{color:var(--muted);font-size:1.1rem;margin:20px auto 34px;max-width:46ch}

/* scroll to top */
.to-top{position:fixed;right:clamp(16px,3vw,32px);bottom:clamp(16px,3vw,32px);z-index:50;width:48px;height:48px;display:grid;place-items:center;padding:0;border:none;border-radius:14px;background:var(--ink);color:var(--paper);cursor:pointer;box-shadow:0 8px 22px rgba(12,27,42,.28);opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .25s,transform .25s,background .2s}
.to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--teal)}
.to-top svg{width:20px;height:20px}

/* footer */
footer{border-top:1px solid rgba(12,27,42,.12);padding:42px 0;background:var(--paper-2)}
.foot-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px}
.foot-inner .brand{font-size:1rem}
.foot-meta{font-size:.86rem;color:var(--muted);text-align:right;max-width:100%;word-break:break-word}
.foot-meta a{color:var(--teal-dk);font-weight:500}
.foot-heart{color:#e23b3b}

/* ===== Responsive / mobile refinements ===== */
.code-window{max-width:100%}

/* tablet & down: tighten section padding */
@media(max-width:860px){
  .hero{padding:64px 0 52px}
}

/* phones */
@media(max-width:680px){
  .hero{padding:48px 0 40px}
  section.block{padding:56px 0}
  .final{padding:64px 0}
  .approach{padding:40px 22px}
  /* footer stacks and centers so nothing is clipped or hidden behind the to-top button */
  .foot-inner{flex-direction:column;align-items:center;text-align:center;gap:14px}
  .foot-meta{text-align:center}
  footer{padding:34px 0}
}

/* small phones: make the nav fit (brand + Login + Start a project) */
@media(max-width:560px){
  .nav-inner{height:58px}
  .brand{font-size:1rem}
  .nav-actions{gap:7px}
  .nav-cta,.nav-login{padding:7px 11px;font-size:.8rem}
  .hero h1{font-size:clamp(2rem,8vw,2.6rem)}
  .hero p.lead{font-size:1.05rem}
}