/* ============================================================
   Philippi & Bühler Digital — styles.css (Unterseiten)
   Gleiche Designsprache wie die Startseite:
   Fraunces (Display) · Inter (Text) · Navy #0a1c50 · Blau #0064f8
   ============================================================ */

:root{
  --navy:#0a1c50; --navy-deep:#061033;
  --blue:#0064f8; --blue-600:#0057d8; --blue-soft:#8fb5ff; --blue-tint:#e3edff;
  --ink:#17223f; --muted:#5b6685;
  --bg:#ffffff; --paper:#fbfcff; --tint:#f4f7fc; --line:#e6ebf5;
  --radius:18px;
  --shadow-sm:0 2px 12px rgba(10,28,80,.06);
  --shadow-md:0 16px 44px rgba(10,28,80,.13);
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 26px}
:focus-visible{outline:2.5px solid var(--blue);outline-offset:3px;border-radius:6px}

/* Gelbe Platzhalter — vor Go-Live ersetzen */
mark.todo{background:#fff3bf;color:#5b4b00;padding:0 .3em;border-radius:4px}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--sans);font-weight:600;font-size:.98rem;line-height:1;padding:.95rem 1.5rem;border-radius:999px;cursor:pointer;border:none;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease);white-space:nowrap}
.btn .arw{transition:transform .2s var(--ease)}
.btn:hover{transform:translateY(-2px)} .btn:hover .arw{transform:translateX(4px)}
.btn-lg{padding:1.1rem 1.9rem;font-size:1.04rem}
.btn-brand{background:var(--blue);color:#fff;box-shadow:0 10px 26px rgba(0,100,248,.34)}
.btn-brand:hover{background:var(--blue-600);box-shadow:0 16px 34px rgba(0,100,248,.42)}
.btn-light{background:#fff;color:var(--navy);box-shadow:0 12px 30px rgba(4,11,32,.22)}
.btn-light:hover{box-shadow:0 18px 40px rgba(4,11,32,.3)}
.btn-glass{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(10px)}
.btn-glass:hover{background:rgba(255,255,255,.18)}
.btn-ghost{border:1.5px solid var(--line);color:var(--navy);background:#fff}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.hero-actions{display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap}

/* ============ Header ============ */
.site-header{position:relative;z-index:10}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;padding:1.35rem 0}
.logo{display:inline-flex;align-items:center;gap:.85rem;color:#fff}
.logo-img{width:40px;height:40px;object-fit:contain}
.logo-name{font-size:1.14rem;letter-spacing:.005em;color:#fff;font-weight:500}
.logo-name b{font-weight:700}
.nav-right{display:flex;align-items:center;gap:1.8rem}
.nav-links{display:flex;gap:1.6rem}
.nav-links a{color:rgba(255,255,255,.72);font-weight:500;font-size:.96rem;transition:color .15s}
.nav-links a:hover,.nav-links a.active{color:#fff}

/* ============ Seiten-Hero (Unterseiten) ============ */
.page-hero{position:relative;color:#fff;overflow:hidden;isolation:isolate;background:linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 72%,#04091f 100%)}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:
  radial-gradient(760px 420px at 84% -20%,rgba(0,100,248,.34),transparent 60%),
  radial-gradient(620px 420px at 6% 120%,rgba(143,181,255,.14),transparent 60%)}
.page-hero .page-head{padding:clamp(2.4rem,7vh,4.2rem) 0 clamp(3rem,8vh,5rem);max-width:48rem}
.page-hero h1{font-family:var(--serif);font-optical-sizing:auto;font-weight:500;letter-spacing:-.015em;line-height:1.06;font-size:clamp(2.2rem,5vw,3.4rem);margin-bottom:1rem}
.page-hero h1 em{font-style:italic;font-weight:400;color:var(--blue-soft)}
.page-hero p{color:rgba(255,255,255,.82);font-size:1.12rem;max-width:36rem}

/* ============ Sektionen ============ */
.section{padding:clamp(4rem,9vh,6.5rem) 0;position:relative}
.section--tint{background:var(--tint)}
.section--paper{background:var(--paper)}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-size:.76rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);margin-bottom:1rem}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--blue);opacity:.55}
.h2{font-family:var(--serif);font-optical-sizing:auto;font-weight:500;font-size:clamp(1.9rem,3.4vw,2.7rem);line-height:1.12;letter-spacing:-.015em;color:var(--navy)}
.h2 em,.h2 .hl{font-style:italic;font-weight:400;color:var(--blue)}
.lead{font-size:1.1rem;color:var(--muted);max-width:38rem;margin-top:1.1rem}
.section-head{max-width:46rem;margin-bottom:2.6rem}
.section-head.center{margin-inline:auto;text-align:center}
.center{text-align:center}

/* ============ Split-Layout ============ */
.split{display:grid;grid-template-columns:minmax(0,6.5fr) minmax(0,5fr);gap:3rem;align-items:center}
.split-art{display:flex;justify-content:center}
.split-art .art{width:100%;max-width:330px;height:auto}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.art-float{animation:floaty 6s ease-in-out infinite}
.art-float--slow{animation-duration:8s}

/* ============ Prose (Text-Seiten) ============ */
.prose{max-width:46rem}
.prose h2{font-family:var(--serif);font-weight:500;letter-spacing:-.01em;font-size:1.55rem;color:var(--navy);margin:2.3rem 0 .7rem}
.prose h3{font-size:1.08rem;font-weight:600;color:var(--navy);margin:1.6rem 0 .5rem}
.prose p{margin-bottom:1rem;color:var(--ink)}
.prose ul{margin:0 0 1rem 1.2rem}
.prose li{margin-bottom:.4rem}
.prose a{border-bottom:1px solid var(--blue-soft)}
.prose a:hover{border-color:var(--blue)}

/* ============ Karten / Duo ============ */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem 1.6rem;box-shadow:var(--shadow-sm);transition:transform .2s var(--ease),box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--blue-soft)}
.card h3{font-family:var(--serif);font-weight:500;font-size:1.24rem;color:var(--navy);margin-bottom:.5rem}
.card p{font-size:.97rem;color:var(--muted)}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem;margin-top:2rem}

.logo-showcase{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:clamp(2rem,5vw,3.5rem);box-shadow:var(--shadow-sm);display:flex;justify-content:center;margin:2.4rem 0}
.logo-showcase img{max-width:420px;width:100%}

/* ============ Ablauf-Steps (Erstgespräch) ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.3rem}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.4rem;box-shadow:var(--shadow-sm);transition:transform .2s var(--ease),box-shadow .2s,border-color .2s}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--blue-soft)}
.step .n{font-family:var(--serif);font-size:1.15rem;font-weight:500;color:var(--blue);display:block;margin-bottom:.55rem}
.step h3{font-size:1.05rem;color:var(--navy);margin-bottom:.4rem;font-weight:600}
.step p{font-size:.93rem;color:var(--muted)}
.price-note{font-size:.95rem;color:var(--muted);max-width:46rem;margin:2rem auto 0;text-align:center}

/* ============ CTA-Band ============ */
.cta-band{background:radial-gradient(700px 380px at 90% -20%,rgba(0,100,248,.4),transparent 60%),linear-gradient(150deg,var(--navy) 0%,var(--navy-deep) 100%);color:#fff;border-radius:24px;padding:clamp(2.4rem,5vw,3.8rem);display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:2rem;align-items:center;overflow:hidden}
.cta-band .h2{color:#fff;margin-bottom:.8rem}
.cta-band .h2 em{color:var(--blue-soft)}
.cta-band p{color:rgba(255,255,255,.82);max-width:34rem;margin-bottom:1.6rem}
.cta-art{display:flex;justify-content:center}
.cta-art .art{width:100%;max-width:220px}

/* ============ Formular ============ */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem;margin-top:.2rem}
.form-grid .full{grid-column:1 / -1}
.field label{display:block;font-size:.88rem;font-weight:600;color:var(--navy);margin-bottom:.35rem}
.field input,.field select,.field textarea{width:100%;padding:.8rem 1rem;border:1.5px solid var(--line);border-radius:12px;font-family:inherit;font-size:.97rem;color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,100,248,.14)}
.field textarea{min-height:130px;resize:vertical}
.form-note{font-size:.85rem;color:var(--muted);margin-top:.9rem}
.form-note a{border-bottom:1px solid var(--blue-soft)}
.form-success{display:none;background:#e8f7ee;border:1px solid #b5e3c8;color:#1c6b3a;padding:1rem 1.2rem;border-radius:12px;margin-top:1.2rem;font-weight:500}
.form-success.show{display:block}
.field .err{border-color:#d64545}

/* ============ Footer ============ */
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.75);font-size:.93rem}
.foot-top{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,3fr) minmax(0,3fr);gap:2.6rem;padding:3.4rem 0 2.4rem}
.foot-top .logo-img{width:34px;height:34px}
.foot-top .logo-name{font-size:1.06rem}
.foot-top p{margin-top:1.1rem;max-width:26rem;color:rgba(255,255,255,.58)}
.foot-col{display:flex;flex-direction:column;gap:.6rem}
.foot-col h5{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.11em;margin-bottom:.4rem;font-weight:600}
.foot-col a{color:rgba(255,255,255,.7);transition:color .15s}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;border-top:1px solid rgba(255,255,255,.12);padding:1.4rem 0 1.7rem;color:rgba(255,255,255,.45);font-size:.85rem}

/* ============ Scroll-Reveals ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.split-art.reveal{transform:translateY(28px) scale(.96)}
.split-art.reveal.in{transform:none}

/* ============ Reduced Motion ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .art-float{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
}

/* ============ Responsive ============ */
@media (max-width:980px){
  .split{grid-template-columns:1fr;gap:2rem}
  .split-art{justify-content:flex-start}
  .split-art .art{max-width:300px}
  .steps{grid-template-columns:1fr 1fr}
  .duo{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr}
  .cta-art{display:none}
  .foot-top{grid-template-columns:1fr;gap:1.9rem}
}
@media (max-width:640px){
  .nav-links{display:none}
  .steps{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .logo-name{font-size:1.02rem}
}