/* Mare Robotics, a brand of UAV-DEV GmbH ------------------------------------ */
:root{
  --bg:#F7FAFC; --bg-2:#EAF2F8; --surface:#FFFFFF;
  --ink:#10233A; --ink-2:#3B5065; --muted:#66798C; --line:#D5E2EC; --line-2:#BFD2E0;
  --blue:#0E6BA8; --blue-deep:#084C7A; --blue-soft:#DCEBF6;
  --yellow:#F5B800; --yellow-soft:#FFF3C4; --yellow-ink:#7A5A00;
  --shadow:0 10px 30px rgba(16,35,58,.10);
  --radius:18px; --radius-s:10px;
  --font-display:'Sora',ui-sans-serif,system-ui,'Segoe UI',Helvetica,Arial,sans-serif;
  --font-body:'IBM Plex Sans',ui-sans-serif,system-ui,'Segoe UI',Helvetica,Arial,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wrap:1180px; --gutter:clamp(16px,4vw,40px);
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0D1922; --bg-2:#13232E; --surface:#182B38;
    --ink:#E9F1F7; --ink-2:#BFCDD9; --muted:#8FA4B5; --line:#26394A; --line-2:#345063;
    --blue:#5FB3E8; --blue-deep:#8FCDF3; --blue-soft:#1B3448;
    --yellow:#F5C43C; --yellow-soft:#3A2F0B; --yellow-ink:#F5C43C;
    --shadow:0 10px 30px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --bg:#0D1922; --bg-2:#13232E; --surface:#182B38;
  --ink:#E9F1F7; --ink-2:#BFCDD9; --muted:#8FA4B5; --line:#26394A; --line-2:#345063;
  --blue:#5FB3E8; --blue-deep:#8FCDF3; --blue-soft:#1B3448;
  --yellow:#F5C43C; --yellow-soft:#3A2F0B; --yellow-ink:#F5C43C;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto} *,*::before,*::after{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.6}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--blue-deep)}
:focus-visible{outline:3px solid var(--yellow);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.15;margin:0 0 .5em;text-wrap:balance;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(2.1rem,4.6vw,3.6rem);font-weight:700}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:600}
h3{font-size:1.25rem;font-weight:600}
h4{font-size:1.05rem;font-weight:600}
p{margin:0 0 1em}
.lead{font-size:1.2rem;color:var(--ink-2);max-width:62ch}
.prose{max-width:68ch}
.prose h2{margin-top:2em}.prose h3{margin-top:1.6em}
.prose ul{padding-left:1.2em}.prose li{margin:.3em 0}
.eyebrow{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin:0 0 .9em;display:flex;align-items:center;gap:.6em}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--yellow);border-radius:2px}
.muted{color:var(--muted)}
.mono{font-family:var(--font-mono)}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.sec{padding-block:clamp(56px,8vw,104px)}
.sec-tight{padding-block:clamp(36px,5vw,64px)}
.sec-alt{background:var(--bg-2)}
.sec-head{max-width:720px;margin-bottom:clamp(28px,4vw,48px)}
.grid{display:grid;gap:clamp(20px,3vw,36px)}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}

/* header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand-mark{width:42px;height:42px;flex:none}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:1.15rem;letter-spacing:.01em;line-height:1.05}
.brand-sub{display:flex;align-items:center;gap:5px;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.nav{display:flex;align-items:center;gap:6px}
.nav a{font-weight:500;color:var(--ink-2);text-decoration:none;padding:9px 13px;border-radius:999px;font-size:.98rem}
.nav a:hover{background:var(--bg-2);color:var(--ink)}
.nav a[aria-current="page"]{background:var(--blue-soft);color:var(--blue-deep)}
.nav .cta{background:var(--yellow);color:#241A00;font-weight:600;margin-left:8px}
.nav .cta:hover{background:#E5AB00;color:#241A00}
.nav-toggle{display:none;background:none;border:1px solid var(--line-2);border-radius:10px;width:44px;height:44px;cursor:pointer;color:var(--ink);align-items:center;justify-content:center}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;background:var(--surface);border-bottom:1px solid var(--line);padding:12px var(--gutter) 18px;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:12px 14px;border-radius:10px}
  .nav .cta{margin:8px 0 0}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;padding:13px 22px;border-radius:999px;font-weight:600;text-decoration:none;font-family:var(--font-display);font-size:.98rem;border:1.5px solid transparent;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-deep);color:#fff}
.btn-yellow{background:var(--yellow);color:#241A00}.btn-yellow:hover{background:#E5AB00;color:#241A00}
.btn-ghost{border-color:var(--line-2);color:var(--ink)}.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn svg{width:18px;height:18px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.6em}

/* hero */
.hero{padding-block:clamp(40px,6vw,88px) clamp(40px,6vw,80px);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}
.hero h1{margin-bottom:.45em}
.hero-media{position:relative}
.hero-media img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.tag{position:absolute;left:18px;bottom:18px;background:var(--surface);color:var(--ink);font-family:var(--font-mono);font-size:.74rem;padding:8px 12px;border-radius:8px;box-shadow:var(--shadow);display:flex;gap:.6em;align-items:center}
.tag i{width:10px;height:10px;border-radius:50%;background:var(--yellow);display:inline-block}
.hero-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px;margin-top:2em;padding-top:1.4em;border-top:1px solid var(--line)}
.fact b{display:block;font-family:var(--font-display);font-size:1.5rem;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
.fact span{font-size:.85rem;color:var(--muted)}

/* pillars */
.pillar{padding:28px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;gap:12px;min-height:100%}
.pillar .role{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--yellow-ink);background:var(--yellow-soft);padding:5px 10px;border-radius:6px;align-self:flex-start}
.pillar h3{margin:.3em 0 0}
.pillar p{margin:0;color:var(--ink-2);flex:1}
.pillar a.more{font-weight:600;text-decoration:none}
.pillar svg.ico{width:44px;height:44px;color:var(--blue)}

/* feature split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.split.rev>.split-media{order:-1}
@media (max-width:900px){.split{grid-template-columns:1fr}.split.rev>.split-media{order:0}}
.split-media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}
.check{list-style:none;padding:0;margin:1.2em 0 0;display:grid;gap:10px}
.check li{padding-left:30px;position:relative;color:var(--ink-2)}
.check li::before{content:"";position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:50%;background:var(--blue-soft);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E6BA8' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E");background-size:12px;background-position:center;background-repeat:no-repeat}

/* spec list with dotted leaders (like the datasheet) */
.spec{display:grid;grid-template-columns:max-content 1fr;column-gap:12px;row-gap:9px;margin:0;font-size:.98rem}
.spec dt{color:var(--ink-2);position:relative;padding-right:8px}
.spec dt::after{content:"";position:absolute;right:0;left:100%;bottom:.42em}
.spec dd{margin:0;font-family:var(--font-mono);font-size:.92rem;color:var(--ink);border-bottom:1px dotted var(--line-2);padding-bottom:4px;font-variant-numeric:tabular-nums}
.spec-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.spec-box h3{margin-top:0}
@media (max-width:480px){.spec{grid-template-columns:1fr;row-gap:2px}.spec dt{margin-top:10px;font-size:.85rem}}

/* feature cards */
.feature{padding:26px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.feature .num{font-family:var(--font-mono);color:var(--muted);font-size:.78rem;letter-spacing:.1em}
.feature h3{margin:.5em 0 .4em}
.feature p{margin:0;color:var(--ink-2)}
.feature svg.ico{width:36px;height:36px;color:var(--blue);margin-bottom:8px}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery a{display:block;border-radius:12px;overflow:hidden;border:0;background:var(--bg-2);height:100%}
.gallery img{aspect-ratio:3/2;object-fit:cover;width:100%;height:100%;transition:transform .35s}
.gallery .wide img{aspect-ratio:3/1}
.gallery a:hover img{transform:scale(1.03)}
.gallery .wide{grid-column:span 2}
@media (max-width:900px){.gallery{grid-template-columns:repeat(2,1fr)}.gallery .wide{grid-column:span 2}}
@media (max-width:520px){.gallery{grid-template-columns:1fr}.gallery .wide{grid-column:auto}.gallery .wide img{aspect-ratio:3/2}}
dialog.lightbox{border:0;padding:0;background:transparent;max-width:min(96vw,1400px);width:auto}
dialog.lightbox::backdrop{background:rgba(6,14,22,.88)}
dialog.lightbox img{max-height:88vh;width:auto;max-width:100%;border-radius:12px;margin:auto}
dialog.lightbox button{position:absolute;top:8px;right:8px;background:#fff;border:0;border-radius:50%;width:40px;height:40px;cursor:pointer;font-size:22px;line-height:1}
dialog.lightbox figcaption{color:#DCEBF6;text-align:center;font-family:var(--font-mono);font-size:.8rem;margin-top:10px}

/* renders */
.renders{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:14px;align-items:stretch}
.renders figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:8px}
.renders img{object-fit:contain;flex:1;aspect-ratio:4/3;width:100%}
.renders figcaption{font-family:var(--font-mono);font-size:.76rem;color:#3B5065}
@media (max-width:760px){.renders{grid-template-columns:1fr 1fr}.renders figure:first-child{grid-column:span 2}}
.mounts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.mounts img{border-radius:10px;aspect-ratio:5/4;object-fit:cover}

/* bathymetry */
.bathy{position:relative;border-radius:var(--radius);overflow:hidden;background:#000;box-shadow:var(--shadow)}
.bathy img{width:100%}
.legend{display:flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:.76rem;color:var(--ink-2);margin-top:12px}
.legend .bar{flex:1;max-width:280px;height:10px;border-radius:5px;background:linear-gradient(90deg,#d7191c,#fdae61,#ffffbf,#a6d96a,#1a9641,#2c7bb6,#1f2fa8)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.stat b{display:block;font-family:var(--font-display);font-size:1.45rem;font-weight:600;font-variant-numeric:tabular-nums}
.stat span{font-size:.82rem;color:var(--muted)}
@media (max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}

/* process steps (real sequence) */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.steps li{position:relative;padding:22px 20px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);counter-increment:step}
.steps li::before{content:counter(step);display:inline-flex;width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;font-family:var(--font-display);font-weight:600;align-items:center;justify-content:center;margin-bottom:12px}
.steps h4{margin:0 0 .3em}.steps p{margin:0;color:var(--ink-2);font-size:.95rem}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* deliverables / usecases */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tile{padding:18px 20px;border-radius:12px;background:var(--surface);border:1px solid var(--line)}
.tile b{font-family:var(--font-display);font-weight:600;display:block;margin-bottom:4px}
.tile span{color:var(--ink-2);font-size:.95rem}
.tile .fmt{font-family:var(--font-mono);font-size:.74rem;color:var(--blue);letter-spacing:.06em}
@media (max-width:900px){.tiles{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.tiles{grid-template-columns:1fr}}

/* product cards (Cerulean) */
.prod{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:10px}
.prod .cat{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);}
.prod h3{margin:0}
.prod p{margin:0;color:var(--ink-2);font-size:.96rem}
.prod .spec{font-size:.9rem;margin-top:6px}
.prod .spec dd{font-size:.84rem}
.prod .links{margin-top:auto;padding-top:10px;display:flex;gap:14px;flex-wrap:wrap;font-size:.9rem}
.prod .price{font-family:var(--font-mono);font-size:.8rem;color:var(--muted)}
.family{margin-top:clamp(36px,5vw,56px)}
.family h3{font-size:1.4rem;display:flex;align-items:center;gap:12px}
.family h3 small{font-family:var(--font-mono);font-weight:400;font-size:.75rem;color:var(--muted);letter-spacing:.08em}
.partner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:center}
@media (max-width:900px){.partner{grid-template-columns:1fr}}
.badge{display:inline-flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-weight:500}
.badge svg{width:26px;height:26px;color:var(--blue)}

/* note */
.note{border-left:4px solid var(--yellow);background:var(--yellow-soft);padding:14px 18px;border-radius:0 10px 10px 0;color:var(--ink);font-size:.95rem}
.note a{color:inherit}

/* contact */
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.contact-card address{font-style:normal;line-height:1.7}
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.contact-list li{display:flex;gap:12px;align-items:flex-start}
.contact-list svg{width:22px;height:22px;color:var(--blue);flex:none;margin-top:3px}
.contact-list a{font-weight:500}

/* cta band */
.band{background:var(--ink);color:#E9F1F7;border-radius:var(--radius);padding:clamp(28px,4vw,48px);display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center;position:relative;overflow:hidden}
.band h2{color:#fff;margin-bottom:.3em}
.band p{color:#B9C8D5;margin:0}
.band .btn-row{margin:0;justify-content:flex-end}
.band::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;border:40px solid rgba(245,184,0,.10);pointer-events:none}
@media (max-width:760px){.band{grid-template-columns:1fr}.band .btn-row{justify-content:flex-start}}

/* footer */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding-block:48px 28px;font-size:.95rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}
.site-footer h4{margin-bottom:.6em;font-size:.95rem}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.site-footer a{color:var(--ink-2);text-decoration:none}.site-footer a:hover{color:var(--blue)}
.foot-brand p{color:var(--ink-2);max-width:40ch;margin-top:12px}
.foot-bottom{margin-top:36px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;color:var(--muted);font-size:.84rem}
.owner{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:14px}
.owner i{width:8px;height:8px;background:var(--yellow);border-radius:50%;display:inline-block}

/* legal pages */
.legal{max-width:760px}
.legal h1{font-size:clamp(1.9rem,4vw,2.8rem)}
.legal h2{font-size:1.35rem;margin-top:2.2em}
.legal h3{font-size:1.1rem;margin-top:1.6em}
.legal address{font-style:normal;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px 24px;line-height:1.7;margin:1em 0}
.legal table{border-collapse:collapse;width:100%;font-size:.95rem}
.legal td{padding:8px 10px 8px 0;border-bottom:1px solid var(--line);vertical-align:top}
.legal td:first-child{color:var(--muted);white-space:nowrap;width:38%}
.table-wrap{overflow-x:auto}
.page-head{padding-block:clamp(36px,6vw,72px) clamp(24px,4vw,40px)}
.page-head .lead{margin-top:.4em}
.breadcrumb{font-family:var(--font-mono);font-size:.76rem;color:var(--muted);margin-bottom:1.2em}
.breadcrumb a{color:var(--muted);text-decoration:none}.breadcrumb a:hover{color:var(--blue)}
.skip{position:absolute;left:-999px;top:8px;background:var(--yellow);color:#241A00;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}

/* logos */
.uav-mini{width:14px;height:14px;display:inline-block}
.owner-logo{display:flex;gap:12px;align-items:center;margin-top:18px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);text-decoration:none;color:var(--ink-2);font-size:.85rem;line-height:1.4;max-width:380px}
.owner-logo img{width:44px;height:42px;flex:none}
.owner-logo b{color:var(--ink)}
.owner-logo:hover{border-color:var(--blue)}
.brand-pair{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:22px}
.brand-pair img{height:56px;width:auto}
.brand-pair .x{font-family:var(--font-mono);color:var(--muted);font-size:.8rem;letter-spacing:.1em}
.brand-pair .mr{height:52px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .brand-pair .mr-light{display:none}}
:root[data-theme="dark"] .brand-pair .mr-light{display:none}
.brand-pair .mr-dark{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .brand-pair .mr-dark{display:block}}
:root[data-theme="dark"] .brand-pair .mr-dark{display:block}
.impressum-logo{display:flex;gap:18px;align-items:center;margin:0 0 1.2em}
.impressum-logo img{height:64px;width:auto}

/* FAQ */
.faq-list{max-width:820px;display:grid;gap:10px}
.faq{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:0 20px}
.faq summary{cursor:pointer;font-family:var(--font-display);font-weight:600;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:500;color:var(--blue);font-size:1.3rem;flex:none}
.faq[open] summary::after{content:"\2212"}
.faq p{margin:0 0 16px;color:var(--ink-2)}