/* =========================================================================
   b3nlabs — Website Stylesheet
   Statisch, self-hosted Fonts, keine externen Abhängigkeiten.
   ========================================================================= */

/* ---------- Fonts (self-hosted woff2, siehe assets/fonts/README.txt) ------ */
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/space-grotesk-500.woff2') format('woff2');}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/space-grotesk-700.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/ibm-plex-sans-400.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/ibm-plex-sans-500.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/ibm-plex-sans-600.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/ibm-plex-mono-400.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/ibm-plex-mono-500.woff2') format('woff2');}

/* ---------- Design Tokens ------------------------------------------------- */
:root{
  --bg:#F5F9F8;             /* heller Mint-Weiß-Grund */
  --surface:#FFFFFF;        /* Karten, Apps-Sektion, Footer */
  --petrol:#0F4A5E;         /* Primärflächen, Wortmarke, Kontakt-Sektion */
  --petrol-hell:#16657F;    /* Button-Hover auf Petrol/dunkel */
  --mint:#2FD6B5;           /* Labor-Mint: nur Logo-Deckfläche & Eyebrow auf dunkel */
  --mint-text:#0FB393;      /* die 3, Eyebrows, Links, Fokus, Hover, Selection */
  --text:#12333D;           /* Headlines / Fließtext dunkel */
  --text-2:#4E6E78;         /* Sekundärtext */
  --on-petrol:#BFD3D9;      /* Sekundärtext auf Petrol */
  --hairline:rgba(15,74,94,0.1);
  --hairline-box:rgba(15,74,94,0.08);
  --hairline-input:rgba(15,74,94,0.15);

  --maxw:1140px;
  --gutter:5vw;

  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'IBM Plex Sans',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,monospace;
}

/* ---------- Reset / Base -------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--font-body);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;}
img,svg{display:block;max-width:100%;}
h1,h2,h3{margin:0;}

::selection{background:var(--mint-text);color:var(--bg);}

a{color:var(--mint-text);text-decoration:none;}
a:hover{color:var(--petrol);}

a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--mint-text);outline-offset:3px;border-radius:4px;}

input,textarea,button{font-family:inherit;}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation:none!important;transition:none!important;}
}

/* ---------- Layout-Utilities --------------------------------------------- */
.wrap{width:100%;max-width:calc(var(--maxw) + 2 * var(--gutter));
  margin-inline:auto;padding-inline:var(--gutter);}
.wrap-narrow{width:100%;max-width:760px;margin-inline:auto;padding-inline:var(--gutter);}

.eyebrow{font-family:var(--font-mono);font-size:13px;letter-spacing:0.04em;color:var(--mint-text);}
.eyebrow--on-petrol{color:var(--mint);}

.brand-3{color:var(--mint-text);}

.h2{font-family:var(--font-display);font-weight:700;letter-spacing:-0.02em;
  font-size:clamp(30px,4.2vw,44px);color:var(--text);}
.h2--light{color:var(--bg);}

/* ---------- Buttons ------------------------------------------------------- */
.btn{display:inline-block;font-weight:600;font-size:16px;line-height:1;
  border-radius:999px;padding:15px 32px;cursor:pointer;border:none;
  transition:background-color .15s ease,color .15s ease,border-color .15s ease;}
.btn-petrol{background:var(--petrol);color:var(--bg);}
.btn-petrol:hover{background:var(--petrol-hell);color:var(--bg);}
.btn-outline{background:transparent;color:var(--petrol);border:1.5px solid rgba(15,74,94,0.3);}
.btn-outline:hover{border-color:var(--mint-text);color:var(--mint-text);}
.btn-light{background:var(--bg);color:var(--petrol);}
.btn-light:hover{background:var(--on-petrol);color:var(--petrol);}
.btn-ghost{background:none;border:none;padding:13px 24px;color:var(--text-2);
  font-weight:600;font-size:15px;cursor:pointer;
  transition:color .15s ease;}
.btn-ghost:hover{color:var(--text);}

/* ---------- Nav ----------------------------------------------------------- */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;
  justify-content:space-between;gap:24px;padding:18px var(--gutter);
  background:rgba(245,249,248,0.92);backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--hairline);}
.nav__brand{display:flex;align-items:center;gap:11px;font-family:var(--font-display);
  font-weight:700;font-size:21px;letter-spacing:-0.03em;color:var(--petrol);}
.nav__brand:hover{color:var(--petrol);}
.nav__brand img{width:30px;height:auto;}
.nav__links{display:flex;gap:28px;font-size:15px;font-weight:500;}
.nav__links a,.nav__back{color:var(--text-2);}
.nav__links a:hover,.nav__back:hover{color:var(--mint-text);}
.nav__back{font-size:15px;font-weight:500;}

/* ---------- Hero ---------------------------------------------------------- */
.hero{position:relative;overflow:hidden;}
.hero__glow{position:absolute;top:-180px;right:-160px;width:520px;height:520px;
  border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(47,214,181,0.16),transparent 65%);}
.hero__inner{position:relative;padding-top:96px;padding-bottom:84px;
  display:flex;flex-direction:column;align-items:flex-start;gap:30px;}
.hero__lockup{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
.hero__lockup img{width:clamp(58px,8vw,92px);height:auto;}
.hero__wordmark{font-family:var(--font-display);font-weight:700;
  font-size:clamp(40px,7vw,76px);letter-spacing:-0.04em;color:var(--petrol);line-height:1;}
.hero__title{font-family:var(--font-display);font-weight:700;letter-spacing:-0.025em;
  font-size:clamp(34px,5.4vw,58px);line-height:1.12;max-width:820px;color:var(--text);}
.hero__intro{margin:0;max-width:600px;font-size:18px;line-height:1.65;color:var(--text-2);}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}

/* ---------- Section: Apps ------------------------------------------------- */
.apps{background:var(--surface);border-top:1px solid var(--hairline-box);}
.apps__inner{padding-block:88px;display:flex;flex-direction:column;gap:48px;}
.section-head{display:flex;flex-direction:column;gap:12px;max-width:640px;}
.section-head p{margin:0;font-size:17px;line-height:1.65;color:var(--text-2);}

.apps__grid{display:grid;gap:28px;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));}

.app-card{display:flex;flex-direction:column;gap:16px;background:var(--bg);
  border:1px solid var(--hairline-box);border-radius:20px;overflow:hidden;}
.app-card__media{height:170px;display:flex;align-items:center;justify-content:center;
  background:var(--app-face);}
.app-card__ph{font-family:var(--font-mono);font-size:12px;color:var(--text-2);
  background:rgba(255,255,255,0.85);border-radius:8px;padding:7px 13px;}
.app-card__body{display:flex;flex-direction:column;gap:12px;padding:8px 26px 28px;flex:1;}
.app-card__head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.app-card__head h3{font-family:var(--font-display);font-weight:700;
  letter-spacing:-0.01em;font-size:25px;color:var(--text);}
.app-card__chip{font-size:12px;font-weight:600;border-radius:999px;padding:4px 12px;
  color:var(--app-text);background:var(--app-chip);}
.app-card__text{margin:0;font-size:15px;line-height:1.65;color:var(--text-2);flex:1;}
.app-card__link{font-weight:600;font-size:15px;color:var(--app-text);}
.app-card__link:hover{color:var(--petrol);}

/* Per-App-Farbwelt (Spektralfarben NUR hier) */
.app-card--vunoa{
  --app-text:#6A5AE0;
  --app-face:linear-gradient(135deg,rgba(139,124,246,0.18),rgba(139,124,246,0.06));
  --app-chip:rgba(139,124,246,0.16);}
.app-card--rechenreich{
  --app-text:#B36A00;
  --app-face:linear-gradient(135deg,rgba(255,180,84,0.22),rgba(255,180,84,0.07));
  --app-chip:rgba(255,180,84,0.22);}
.app-card--silben{
  --app-text:#D4356B;
  --app-face:linear-gradient(135deg,rgba(255,122,158,0.2),rgba(255,122,158,0.06));
  --app-chip:rgba(255,122,158,0.18);}

/* ---------- Section: Studio ----------------------------------------------- */
.studio{border-top:1px solid var(--hairline-box);}
.studio__inner{padding-block:88px;display:grid;gap:56px;align-items:start;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));}
.studio__intro{display:flex;flex-direction:column;gap:18px;}
.studio__intro p{margin:0;font-size:17px;line-height:1.7;color:var(--text-2);}
.studio__link{font-weight:600;font-size:15px;}
.studio__stats{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.stat{display:flex;flex-direction:column;gap:6px;padding:26px 24px;
  background:var(--surface);border:1px solid var(--hairline-box);border-radius:16px;}
.stat__num{font-family:var(--font-display);font-weight:700;letter-spacing:-0.02em;
  font-size:32px;color:var(--petrol);}
.stat__label{font-size:14px;line-height:1.5;color:var(--text-2);}

/* ---------- Section: Kontakt ---------------------------------------------- */
.kontakt{background:var(--petrol);}
.kontakt__inner{padding-block:88px;display:grid;gap:56px;align-items:start;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));}
.kontakt__intro{display:flex;flex-direction:column;gap:16px;}
.kontakt__intro p{margin:0;font-size:17px;line-height:1.7;color:var(--on-petrol);max-width:440px;}
.kontakt__card{display:flex;flex-direction:column;gap:18px;align-items:flex-start;
  justify-content:center;background:rgba(245,249,248,0.06);
  border:1px solid rgba(245,249,248,0.14);border-radius:20px;padding:36px 34px;}
.kontakt__card .lead{margin:0;font-size:16px;line-height:1.65;color:var(--on-petrol);}
.kontakt__card .lead strong{color:var(--bg);font-weight:600;}
.kontakt__note{margin:0;font-size:13px;color:var(--on-petrol);}

/* ---------- Modal --------------------------------------------------------- */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;
  justify-content:center;padding:20px;background:rgba(12,33,41,0.55);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);}
.modal[aria-hidden="true"]{display:none;}
.modal__card{box-sizing:border-box;width:min(560px,100%);max-height:90vh;overflow:auto;
  background:var(--surface);border-radius:20px;padding:34px 32px;
  display:flex;flex-direction:column;gap:20px;}

.modal__view[hidden]{display:none;}
.modal__head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;}
.modal__title{font-family:var(--font-display);font-weight:700;font-size:24px;color:var(--text);}
.modal__close{background:none;border:none;font-size:15px;color:var(--text-2);
  cursor:pointer;padding:4px;transition:color .15s ease;}
.modal__close:hover{color:var(--text);}

.modal__form{display:flex;flex-direction:column;gap:16px;}
.form-row{display:grid;gap:16px;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));}
.field{display:flex;flex-direction:column;gap:7px;font-size:14px;font-weight:600;color:var(--text-2);}
.field input,.field textarea{padding:12px 15px;background:var(--bg);
  border:1px solid var(--hairline-input);border-radius:12px;color:var(--text);
  font-size:15px;font-weight:400;}
.field textarea{resize:vertical;line-height:1.6;}
.field__count{align-self:flex-end;font-size:12px;font-weight:400;color:var(--text-2);}

.honeypot{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;}

.modal__error{margin:0;font-size:14px;color:#D4356B;}
.modal__error[hidden]{display:none;}

.modal__actions{display:flex;gap:12px;align-items:center;justify-content:flex-end;}
.modal__submit{padding:13px 30px;font-size:15px;}
.modal__submit[disabled]{opacity:.7;cursor:default;}

.modal__success{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.modal__check{display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;background:rgba(47,214,181,0.18);
  color:var(--mint-text);font-size:22px;}
.modal__success-text{margin:0;font-size:16px;line-height:1.6;color:var(--text-2);}
.modal__success .btn{padding:13px 28px;font-size:15px;}

/* ---------- Footer -------------------------------------------------------- */
.footer{background:var(--surface);border-top:1px solid var(--hairline-box);}
.footer__inner{padding-block:34px;display:flex;flex-wrap:wrap;gap:20px;
  align-items:center;justify-content:space-between;font-size:14px;}
.footer__brand{display:inline-flex;align-items:center;gap:9px;color:var(--text-2);}
.footer__brand img{width:17px;height:auto;}
.footer__links{display:flex;gap:24px;}
.footer__links a{color:var(--text-2);}
.footer__links a:hover{color:var(--mint-text);}

/* ---------- Rechtsseiten (Impressum / Datenschutz) ------------------------ */
.legal{min-height:100vh;display:flex;flex-direction:column;}
.legal__main{flex:1;padding-block:72px;display:flex;flex-direction:column;gap:32px;}
.legal__head{display:flex;flex-direction:column;gap:12px;}
.legal__head h1{font-family:var(--font-display);font-weight:700;letter-spacing:-0.02em;
  font-size:clamp(32px,4.6vw,48px);color:var(--text);}
.legal-section{display:flex;flex-direction:column;gap:10px;
  border-top:1px solid var(--hairline);padding-top:24px;}
.legal-section h2{font-family:var(--font-display);font-weight:700;font-size:20px;color:var(--text);}
.legal-section p{margin:0;color:var(--text-2);line-height:1.7;}
.legal__note{margin:0;font-size:13px;color:var(--text-2);}