/* ============================================================
   AQUA-STRUSCH · site.css
   Gemeinsames Stylesheet für alle Website-Seiten.
   Baut auf colors_and_type.css auf (Tokens, Fonts).
   ============================================================ */

*{ box-sizing:border-box; margin:0; padding:0; }
:root{
  --maxw:1200px;
  --maxw-narrow:880px;
  --gutter:clamp(22px, 5vw, 80px); /* @kind spacing */
  --sectionpad:clamp(72px, 11vw, 160px); /* @kind spacing */
}
html{ scroll-behavior:smooth; }
body{
  font-family:var(--font-struktur);
  color:var(--petrol);
  background:var(--offwhite);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
  overflow-x:hidden;
}
a{ color:inherit; text-decoration:none; }
img{ display:block; max-width:100%; }
.wrap{ width:100%; max-width:var(--maxw); margin:0 auto; padding-inline:var(--gutter); }
.wrap.narrow{ max-width:var(--maxw-narrow); }

/* ---- type helpers ------------------------------------ */
.kicker{ font-weight:700; font-size:clamp(12px,1.1vw,15px); letter-spacing:.26em; text-transform:uppercase; }
.copper-text{ background:var(--kupfer-grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.copperbar{ height:4px; width:74px; border-radius:9px; background:var(--kupfer-line); border:0; }
.statement{ font-family:var(--font-statement); font-style:italic; font-weight:500; line-height:1.08; text-wrap:balance; }
.soft{ color:var(--fg-on-light-soft); }
.soft-d{ color:var(--fg-on-dark-soft); }
h1,h2,h3{ text-wrap:balance; letter-spacing:-.01em; }
p{ text-wrap:pretty; }
.seclabel{ display:flex; align-items:center; gap:16px; margin-bottom:22px; }
.seclabel .copperbar{ width:48px; }
.h2{ font-weight:700; font-size:clamp(30px,4.2vw,60px); line-height:1.06; }
.lead-c{ font-weight:500; font-size:clamp(18px,1.9vw,24px); line-height:1.4; }

/* ---- buttons ----------------------------------------- */
.btn{
  display:inline-flex; align-items:center; gap:10px; font-weight:600; font-size:15px;
  padding:13px 24px; border-radius:999px; cursor:pointer; border:0;
  transition:transform .15s ease, box-shadow .2s ease, background .2s;
  font-family:var(--font-struktur);
}
.btn-primary{ background:var(--petrol); color:var(--offwhite); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:var(--shadow-soft); }
.btn-ghost{ background:transparent; color:var(--petrol); box-shadow:inset 0 0 0 1.5px var(--hairline-on-light); }
.btn-ghost:hover{ box-shadow:inset 0 0 0 1.5px var(--petrol); }
.btn-light{ background:var(--offwhite); color:var(--petrol); }
.btn-light:hover{ transform:translateY(-2px); box-shadow:var(--shadow-lift); }

/* ====================================================
   HEADER (shared)
   ==================================================== */
.topline{ position:fixed; top:0; left:0; right:0; height:5px; background:var(--kupfer-line); z-index:60; }
header{
  position:fixed; top:5px; left:0; right:0; z-index:55;
  transition:background .3s ease, box-shadow .3s ease, padding .3s ease;
  padding:18px 0;
}
header.scrolled{
  background:rgba(244,237,228,.86); backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--hairline-on-light); padding:12px 0;
}
.nav{ display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand{ display:flex; align-items:center; gap:13px; }
.brand img{ height:38px; width:auto; }
.brand .bt{ display:flex; flex-direction:column; line-height:1; }
.brand .bt b{ font-weight:700; font-size:18px; letter-spacing:.04em; }
.brand .bt span{ font-weight:600; font-size:10.5px; letter-spacing:.32em; text-transform:uppercase; color:var(--fg-on-light-soft); margin-top:4px; }
.menu{ display:flex; align-items:center; gap:30px; }
.menu a.navlink{ font-weight:500; font-size:15px; color:var(--fg-on-light-soft); transition:color .2s; position:relative; }
.menu a.navlink:hover{ color:var(--petrol); }
.menu a.navlink.active{ color:var(--petrol); font-weight:600; }
.menu a.navlink.active::after{ content:""; position:absolute; left:0; right:0; bottom:-7px; height:2.5px; border-radius:2px; background:var(--kupfer-line); }
.menu-toggle{ display:none; }

/* Header über dunklem Banner (Unterseiten): helle Schrift bis zum Scrollen */
header.on-dark:not(.scrolled) .brand .bt b{ color:var(--offwhite); }
header.on-dark:not(.scrolled) .brand .bt span{ color:rgba(244,237,228,.65); }
header.on-dark:not(.scrolled) .navlink{ color:rgba(244,237,228,.82); }
header.on-dark:not(.scrolled) .navlink:hover,
header.on-dark:not(.scrolled) .navlink.active{ color:var(--offwhite); }
header.on-dark:not(.scrolled) .navlink.active::after{ background:var(--kupfer-line); }
header.on-dark:not(.scrolled) .btn-primary{ background:var(--offwhite); color:var(--petrol); }
header.on-dark:not(.scrolled) .menu-toggle span{ background:var(--offwhite); }

/* ====================================================
   PAGE BANNER (subpages)
   ==================================================== */
.banner{ position:relative; background:var(--bg-dark); color:var(--offwhite); overflow:hidden;
  padding-top:clamp(140px,16vh,200px); padding-bottom:clamp(56px,7vw,96px); }
.banner .dropwm{ position:absolute; right:-5%; top:-20%; height:150%; width:auto; opacity:.08; pointer-events:none; transform:rotate(-4deg); }
.hero .dropwm{ position:absolute; right:-7%; top:-20%; height:120%; width:120%; opacity:.07; pointer-events:none; transform:rotate(-4deg); object-fit:contain; }
.banner .kicker{ color:var(--fg-aqua-on-dark); }
.banner h1{ font-weight:700; font-size:clamp(34px,5vw,68px); line-height:1.04; margin-top:18px; max-width:18ch; }
.banner p{ font-size:clamp(17px,1.9vw,22px); color:var(--fg-on-dark-soft); margin-top:22px; max-width:52ch; }
.banner .copperbar{ margin-top:28px; }

/* ====================================================
   SECTION SCAFFOLD
   ==================================================== */
section.block{ padding-block:var(--sectionpad); position:relative; }
.bg-hell{ background:var(--offwhite); }
.bg-helld{ background:var(--bg-hell-dunkel); }
.bg-dark{ background:var(--bg-dark); color:var(--offwhite); }
.bg-dark .h2{ color:var(--offwhite); }

/* ---- statement block --------------------------------- */
.statement-block{ text-align:center; }
.statement-block .statement{ font-size:clamp(30px,5vw,72px); max-width:18ch; margin:0 auto; }
.statement-block .copperbar{ margin:40px auto 0; }
.statement-block .sub{ margin-top:30px; font-size:clamp(17px,1.7vw,21px); color:var(--fg-on-dark-soft); max-width:54ch; margin-inline:auto; }

/* ---- two-column readings ----------------------------- */
.cols{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(24px,4vw,64px); margin-top:54px; align-items:start; }
.col .clabel{ font-weight:700; font-size:13px; letter-spacing:.18em; text-transform:uppercase; }
.col h3{ font-family:var(--font-statement); font-style:italic; font-weight:500; font-size:clamp(26px,3vw,40px); line-height:1.12; margin:14px 0 16px; }
.col p{ font-size:clamp(16px,1.6vw,19px); color:var(--fg-on-light-soft); line-height:1.5; }
@media(min-width:861px){ .cols.with-div{ grid-template-columns:1fr 1px 1fr; } .vdiv{ width:1px; height:100%; background:var(--hairline-on-light); } }

/* ---- principles grid --------------------------------- */
.principles{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(18px,2.4vw,30px); margin-top:54px; }
.principle{ background:rgba(255,255,255,.5); border:1px solid var(--hairline-on-light); border-radius:var(--radius-card); padding:32px 30px 30px; }
.bg-hell .principle{ background:var(--offwhite); }
.principle .pn{ font-family:var(--font-statement); font-style:italic; font-weight:600; font-size:30px; line-height:1; color:var(--petrol); }
.principle h3{ font-weight:700; font-size:20px; margin:14px 0 10px; }
.principle p{ font-size:16px; line-height:1.5; color:var(--fg-on-light-soft); }
.principle .pbar{ height:3px; width:36px; border-radius:9px; background:var(--kupfer-line); margin:0 0 16px; }

/* ---- steps ------------------------------------------- */
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(20px,2.5vw,34px); margin-top:56px; }
.step{ background:var(--offwhite); border:1px solid var(--hairline-on-light); border-radius:var(--radius-card);
  padding:38px 32px 36px; position:relative; transition:transform .2s ease, box-shadow .25s ease; }
.bg-helld .step{ background:rgba(255,255,255,.5); }
.step:hover{ transform:translateY(-5px); box-shadow:var(--shadow-lift); }
.step .snum{ font-family:var(--font-statement); font-style:italic; font-weight:600; font-size:58px; line-height:1; }
.step h3{ font-weight:700; font-size:clamp(22px,2.2vw,28px); margin:18px 0 0; }
.step .sbar{ height:3px; width:42px; border-radius:9px; background:var(--kupfer-line); margin:16px 0 18px; }
.step p{ font-size:16.5px; line-height:1.5; color:var(--fg-on-light-soft); }

/* ---- service cards ----------------------------------- */
.services{ display:grid; grid-template-columns:repeat(2,1fr); gap:clamp(20px,2.6vw,30px); margin-top:54px; }
.service{ display:flex; gap:22px; background:var(--offwhite); border:1px solid var(--hairline-on-light);
  border-radius:var(--radius-card); padding:32px 30px; transition:transform .2s ease, box-shadow .25s ease; }
.bg-helld .service{ background:rgba(255,255,255,.55); }
.service:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lift); }
.service .sico{ width:54px; height:54px; flex:none; border-radius:14px; display:grid; place-items:center; background:var(--bg-aqua); }
.service .sico svg{ width:26px; height:26px; stroke:var(--aquablau); fill:none; stroke-width:1.7; }
.service h3{ font-weight:700; font-size:21px; margin-bottom:9px; }
.service p{ font-size:16px; line-height:1.5; color:var(--fg-on-light-soft); }

/* ---- portrait / about -------------------------------- */
.about-grid{ display:grid; grid-template-columns:.82fr 1.18fr; gap:clamp(30px,5vw,80px); align-items:center; }
.about-grid.reverse{ grid-template-columns:1.18fr .82fr; }
.portrait{ position:relative; border-radius:var(--radius-card); overflow:hidden; background:var(--sand); box-shadow:var(--shadow-lift); }
.portrait img{ width:100%; height:100%; object-fit:cover; object-position:top center; aspect-ratio:4/5; }
.portrait .pcap{ position:absolute; left:0; right:0; bottom:0; padding:22px 24px; background:linear-gradient(180deg, transparent, rgba(27,58,57,.78)); color:var(--offwhite); }
.portrait .pcap b{ font-weight:700; font-size:17px; letter-spacing:.02em; }
.portrait .pcap span{ display:block; font-weight:500; font-size:13px; color:rgba(244,237,228,.82); margin-top:3px; }
.about-body h2{ font-weight:700; font-size:clamp(28px,3.6vw,50px); line-height:1.08; }
.bg-dark .about-body h2{ color:var(--offwhite); }
.about-body p{ font-size:clamp(16px,1.7vw,20px); line-height:1.55; color:var(--fg-on-light-soft); margin-top:22px; }
.bg-dark .about-body p{ color:var(--fg-on-dark-soft); }
.about-body .sig{ font-family:var(--font-statement); font-style:italic; font-size:30px; margin-top:24px; color:var(--petrol); }
.bg-dark .about-body .sig{ color:var(--fg-aqua-on-dark); }

/* ---- kennzahl / focus -------------------------------- */
.kennzahl{ text-align:center; }
.kennzahl .big{ font-family:var(--font-statement); font-style:italic; font-weight:600; font-size:clamp(44px,6vw,90px); line-height:1.1; white-space:nowrap; }
.kennzahl p{ margin:34px auto 0; font-size:clamp(18px,1.9vw,24px); color:var(--fg-on-dark-soft); max-width:46ch; }

/* ---- full-bleed quote -------------------------------- */
.fullquote{ position:relative; min-height:clamp(440px,72vh,720px); display:flex; align-items:flex-end; overflow:hidden; }
.fullquote img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.fullquote .veil{ position:absolute; inset:0; background:linear-gradient(90deg, rgba(27,58,57,.86) 0%, rgba(27,58,57,.5) 45%, rgba(27,58,57,.12) 100%); }
.fullquote .fq-in{ position:relative; padding-block:clamp(48px,8vw,96px); color:var(--offwhite); }
.fullquote .statement{ font-size:clamp(28px,4.4vw,58px); max-width:16ch; color:var(--offwhite); }
.fullquote .copperbar{ margin:26px 0 20px; }
.fullquote .fq-sub{ font-size:clamp(17px,1.8vw,22px); color:rgba(244,237,228,.85); max-width:34ch; }

/* ---- journal / article cards ------------------------- */
.articles{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(20px,2.6vw,32px); margin-top:54px; }
.article{ background:var(--offwhite); border:1px solid var(--hairline-on-light); border-radius:var(--radius-card);
  overflow:hidden; transition:transform .2s ease, box-shadow .25s ease; display:flex; flex-direction:column; }
.bg-helld .article{ background:rgba(255,255,255,.6); }
.article:hover{ transform:translateY(-5px); box-shadow:var(--shadow-lift); }
.article .athumb{ aspect-ratio:16/10; background:var(--sand); overflow:hidden; }
.article .athumb img{ width:100%; height:100%; object-fit:cover; }
.article .abody{ padding:24px 26px 28px; display:flex; flex-direction:column; flex:1; }
.article .ameta{ font-weight:700; font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--fg-on-light-soft); }
.article h3{ font-weight:700; font-size:21px; line-height:1.2; margin:12px 0 10px; }
.article p{ font-size:15.5px; line-height:1.5; color:var(--fg-on-light-soft); flex:1; }
.article .alink{ margin-top:18px; font-weight:600; font-size:15px; color:var(--petrol); display:inline-flex; gap:7px; }
.article:hover .alink{ color:var(--aquablau); }

/* ---- featured article (wide) ------------------------- */
.feature{ display:grid; grid-template-columns:1.1fr .9fr; gap:0; border-radius:var(--radius-card); overflow:hidden;
  border:1px solid var(--hairline-on-light); background:var(--offwhite); margin-top:8px; box-shadow:var(--shadow-soft); }
.feature .fthumb{ background:var(--sand); min-height:320px; overflow:hidden; }
.feature .fthumb img{ width:100%; height:100%; object-fit:cover; }
.feature .fbody{ padding:clamp(30px,4vw,52px); display:flex; flex-direction:column; justify-content:center; }
.feature .ameta{ font-weight:700; font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--aquablau); }
.feature h3{ font-weight:700; font-size:clamp(24px,2.6vw,34px); line-height:1.1; margin:14px 0 14px; }
.feature p{ font-size:17px; line-height:1.55; color:var(--fg-on-light-soft); }
.feature .alink{ margin-top:22px; font-weight:600; font-size:15px; color:var(--petrol); display:inline-flex; gap:7px; }

/* ---- contact ----------------------------------------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(34px,5vw,80px); align-items:start; }
.contact-intro h2{ font-weight:700; font-size:clamp(30px,4vw,56px); line-height:1.05; color:var(--offwhite); }
.contact-intro p{ font-size:clamp(17px,1.8vw,21px); color:var(--fg-on-dark-soft); margin-top:22px; max-width:42ch; }
.contact-list{ margin-top:34px; display:flex; flex-direction:column; gap:18px; }
.contact-list .ci{ display:flex; align-items:center; gap:16px; }
.contact-list .ci .ico{ width:44px; height:44px; flex:none; border-radius:50%; display:grid; place-items:center; background:rgba(244,237,228,.1); }
.contact-list .ci .ico svg{ width:21px; height:21px; stroke:var(--fg-aqua-on-dark); fill:none; stroke-width:1.7; }
.contact-list .ci b{ font-weight:600; font-size:17px; color:var(--offwhite); }
.contact-list .ci span{ display:block; font-size:14px; color:var(--fg-on-dark-soft); margin-top:2px; }
form.card{ background:var(--offwhite); border-radius:var(--radius-card); padding:clamp(28px,3.4vw,44px); box-shadow:var(--shadow-lift); }
form.card .frow{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-weight:600; font-size:13.5px; letter-spacing:.02em; margin-bottom:8px; color:var(--petrol); }
.field input, .field textarea, .field select{
  width:100%; font-family:var(--font-struktur); font-size:16px; color:var(--petrol);
  padding:13px 16px; border-radius:13px; border:1.5px solid var(--hairline-on-light);
  background:#fff; transition:border-color .18s, box-shadow .18s; }
.field textarea{ min-height:120px; resize:vertical; }
.field input:focus, .field textarea:focus, .field select:focus{
  outline:none; border-color:var(--aquablau); box-shadow:0 0 0 4px rgba(42,134,176,.14); }
form.card .btn-primary{ width:100%; justify-content:center; margin-top:6px; padding-block:16px; font-size:16px; }
form.card .fineprint{ font-size:12.5px; color:var(--fg-on-light-soft); margin-top:16px; line-height:1.5; text-align:center; }

/* ---- CTA strip --------------------------------------- */
.cta-strip{ text-align:center; }
.cta-strip h2{ font-weight:700; font-size:clamp(30px,4.4vw,58px); line-height:1.05; color:var(--offwhite); max-width:20ch; margin:0 auto; }
.cta-strip .copperbar{ margin:28px auto 30px; }
.cta-strip p{ font-size:clamp(17px,1.8vw,21px); color:var(--fg-on-dark-soft); max-width:48ch; margin:0 auto 34px; }

/* ====================================================
   FOOTER (shared)
   ==================================================== */
footer.site{ background:var(--dunkelpetrol); color:var(--offwhite); padding-block:clamp(48px,6vw,72px); }
.foot-grid{ display:flex; justify-content:space-between; align-items:flex-start; gap:30px; flex-wrap:wrap; }
.foot-brand{ display:flex; align-items:center; gap:13px; }
.foot-brand img{ height:40px; }
.foot-brand .bt b{ font-weight:700; font-size:19px; letter-spacing:.04em; color:var(--offwhite); }
.foot-brand .bt span{ display:block; font-weight:600; font-size:10.5px; letter-spacing:.3em; text-transform:uppercase; color:rgba(244,237,228,.6); margin-top:4px; }
.foot-links{ display:flex; gap:40px; flex-wrap:wrap; }
.foot-col b{ display:block; font-weight:700; font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:rgba(244,237,228,.55); margin-bottom:14px; }
.foot-col a{ display:block; font-size:15px; color:rgba(244,237,228,.85); margin-bottom:10px; transition:color .2s; }
.foot-col a:hover{ color:var(--fg-aqua-on-dark); }
.foot-bottom{ margin-top:48px; padding-top:24px; border-top:1px solid rgba(244,237,228,.13); display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; font-size:13.5px; color:rgba(244,237,228,.6); }

/* ====================================================
   RESPONSIVE
   ==================================================== */
@media(max-width:980px){
  .about-grid, .about-grid.reverse{ grid-template-columns:1fr; }
  .portrait{ max-width:420px; }
  .contact-grid{ grid-template-columns:1fr; }
  .feature{ grid-template-columns:1fr; }
  .feature .fthumb{ min-height:240px; }
}
@media(max-width:860px){
  .steps, .principles, .articles{ grid-template-columns:1fr; }
  .services{ grid-template-columns:1fr; }
  .cols{ grid-template-columns:1fr !important; }
  .cols.with-div .vdiv{ display:none; }
  .menu{ position:fixed; top:0; right:0; width:min(80vw,320px); height:100vh; flex-direction:column; align-items:flex-start; justify-content:flex-start; gap:24px; padding:clamp(80px,15vh,120px) 40px 40px; background:var(--offwhite); box-shadow:var(--shadow-lift); transform:translateX(100%); transition:transform .3s ease; overflow-y:auto; z-index:9999; }
  .menu.open{ transform:translateX(0); }
  .menu a.navlink{ font-size:20px; }
  .menu a.navlink.active::after{ display:none; }
  .menu .btn{ font-size:17px; }
  .menu-toggle{ display:inline-flex; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:8px; z-index:70; }
  .menu-toggle span{ width:26px; height:2.5px; background:var(--petrol); border-radius:2px; transition:.25s; }
  .menu-toggle.open span:nth-child(1){ transform:translateY(7.5px) rotate(45deg); }
  .menu-toggle.open span:nth-child(2){ opacity:0; }
  .menu-toggle.open span:nth-child(3){ transform:translateY(-7.5px) rotate(-45deg); }
}
@media(max-width:560px){
  .articles{ grid-template-columns:1fr; }
  form.card .frow{ grid-template-columns:1fr; }
}