:root {
  --accent: #0f7a63;
  --accent-2: #5ba3b0;
  --bg: #ffffff;
  --surface: #f7f9f8;
  --ink: #131d1a;
  --muted: #5c6b66;
  --line: #dfe7e3;
  --mono: "Geist Mono", ui-monospace, monospace;
  --sans: "Geist", system-ui, sans-serif;
  --radius: 12px;
  --maxw: 960px;
}
:root[data-theme="dark"] {
  --accent: #35d0a5;
  --accent-2: #5ba3b0;
  --bg: #101715;
  --surface: #18221f;
  --ink: #e3ece9;
  --muted: #8fa39c;
  --line: #31403b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 0 0 var(--radius) 0;
  z-index: 100;
}
.skip:focus { left: 0; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.site-header{
    position:sticky;
    top:0;
    z-index:50;

    display:flex;
    align-items:center;
    justify-content:space-between;

    padding:.75rem clamp(1rem,4vw,2rem);

    border-bottom:1px solid var(--line);

    background:color-mix(in srgb,var(--bg) 60%,transparent);
    backdrop-filter:blur(12px);
}

.theme-icon{
    width:18px;
    height:18px;

    stroke: currentColor;
    fill: none;

    transition: color .2s ease;
}

.i-sun{
    display:none;
}

.i-moon{
    display:block;
}

:root[data-theme="dark"] .i-sun{
    display:block;
}

:root[data-theme="dark"] .i-moon{
    display:none;
}

.brand { display: flex; align-items: center; gap: 0.55rem; color: var(--ink); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; display: block; }
.brand-text { font-family: var(--mono); font-size: 0.95rem; letter-spacing: -0.01em; }
.header-controls{
    display:flex;
    align-items:center;
    gap:8px;
}
.lang{
    display:flex;
    align-items:center;

    height:36px;

    padding:2px;

    gap:2px;

    border:1px solid var(--line);
    border-radius:8px;

    background:color-mix(in srgb,var(--bg) 60%,transparent);

    backdrop-filter:blur(12px);
}
.lang-btn{
    display:flex;
    align-items:center;
    justify-content:center;

    width:30px;
    height:30px;

    padding:0;

    border:none;
    border-radius:6px;

    background:none;

    font-family:var(--mono);
    font-size:12px;
    line-height:1;
    font-weight:600;
    letter-spacing:0;

    color:var(--muted);

    cursor:pointer;

    transition:
        background-color .2s,
        color .2s;
}

.lang-btn:hover:not([aria-current="true"]){
    color:var(--accent);
}

.lang-btn[aria-current="true"]{
    background:var(--accent);
    color:#fff;
}
.icon-btn{

    display:flex;
    align-items:center;
    justify-content:center;

    width:36px;
    height:36px;

    padding:0;

    border:1px solid var(--line);

    border-radius:8px;

    background:color-mix(in srgb,var(--bg) 60%,transparent);

    color:var(--ink);

    cursor:pointer;

    backdrop-filter:blur(12px);

    transition:
        color .25s,
        border-color .25s,
        transform .2s;

    color: var(--muted);
}

.icon-btn:hover{
    color: var(--accent);
    border-color: var(--line);
}

.icon-btn:active{

    transform:scale(.96);

}

main { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); }
section { padding: clamp(2.5rem, 6vw, 4.5rem) 0; border-top: 1px solid var(--line); }
section:first-child { border-top: 0; }

.eyebrow { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin: 0 0 0.6rem; }
h1 { font-size: clamp(2rem, 6vw, 3.2rem); line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 1rem; text-wrap: balance; }
h2 { font-size: clamp(1.4rem, 3.5vw, 1.9rem); letter-spacing: -0.02em; margin: 0 0 0.5rem; }
h3 { font-size: 1.02rem; margin: 0 0 0.35rem; }
.lead { font-size: clamp(1.05rem, 2.4vw, 1.25rem); color: var(--muted); max-width: 60ch; margin: 0 0 1.75rem; }
.section-lead { color: var(--muted); max-width: 65ch; margin: 0 0 1.75rem; }

.cta-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-bottom: 2.25rem; }
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.6rem 1.1rem; border-radius: 10px; font-weight: 600; font-size: 0.92rem;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  transition: transform 0.15s ease, border-color 0.2s, background 0.2s;
}
.btn:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { filter: brightness(1.05); }

.stat-row { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding: 1.25rem 0 0; margin: 0; border-top: 1px solid var(--line); }
.stat-row li { display: flex; flex-direction: column; gap: 0.15rem; }
.stat-row strong { font-size: 1.15rem; letter-spacing: -0.01em; }
.stat-row span { font-size: 0.8rem; color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; }
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.card{
    background:color-mix(in srgb,var(--bg) 70%,transparent);
    backdrop-filter:blur(8px);

    border:1px solid var(--line);
    border-radius:var(--radius);

    padding:1.15rem 1.25rem;

    transition:
        transform .25s ease,
        background-color .25s ease,
        border-color .25s ease;
}
.card:hover{
    transform:translateY(-2px);

    background:color-mix(in srgb,var(--bg) 75%,transparent);

    border-color:color-mix(in srgb,var(--line) 60%,var(--ink));
}
.card p { color: var(--muted); margin: 0; font-size: 0.94rem; }
.svc-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.35rem; }
.svc-head h3 { margin: 0; }
.ext { font-family: var(--mono); font-size: 0.72rem; color: var(--accent-2); }

.tech-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.6rem; }
.tech{
    display:flex;
    flex-direction:column;
    gap:.15rem;

    padding:.7rem .85rem;

    background:color-mix(in srgb,var(--bg) 70%,transparent);
    backdrop-filter:blur(8px);

    border:1px solid var(--line);
    border-radius:10px;

    transition:
        transform .25s ease,
        background-color .25s ease,
        border-color .25s ease;
}

.tech:hover{
    transform:translateY(-2px);

    background:color-mix(in srgb,var(--bg) 75%,transparent);

    border-color:color-mix(in srgb,var(--line) 60%,var(--ink));
}
.tech b { font-family: var(--mono); font-size: 0.85rem; }
.tech span { font-size: 0.74rem; color: var(--muted); }

.diagram{
    display:flex;
    justify-content:center;
    align-items:center;

    overflow:hidden;

    padding:1.5rem;

    background:color-mix(in srgb,var(--bg) 70%,transparent);
    backdrop-filter:blur(8px);

    border:1px solid var(--line);
    border-radius:var(--radius);

    transition:
        transform .25s ease,
        background-color .25s ease,
        border-color .25s ease;
}

.diagram:hover{
    transform:translateY(-2px);

    background:color-mix(in srgb,var(--bg) 75%,transparent);

    border-color:color-mix(in srgb,var(--line) 60%,var(--ink));
}

.diagram img{
    display:block;

    width:100%;
    max-width:900px;

    height:auto;

    object-fit:contain;
}

.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

.site-footer {
  max-width: var(--maxw); margin: 0 auto; padding: 2rem clamp(1rem, 4vw, 2rem) 3rem;
  border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.site-footer .brand { font-weight: 500; color: var(--muted); font-size: 0.9rem; }
.site-footer .brand-mark { width: 24px; height: 24px; }
.footer-links { display: flex; gap: 1.2rem; font-size: 0.9rem; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--accent); }

@media (max-width: 560px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
    .brand-text {
        display: none;
    }
}

@media (max-width: 768px){

    .diagram{
        padding:.75rem;
        overflow-x:auto;
        justify-content:flex-start;
    }

    .diagram img{
        width:700px;
        max-width:none;
        min-width:700px;
    }

}