/* Akazienhof GmbH | style.css */
:root {
  --bg: #f0eee7;
  --paper: #e5e2d6;
  --ink: #1a1d1b;
  --muted: #5d625b;
  --line: #cdcabc;
  --accent: #1f4d3a;
  --accent-dark: #153627;
  --sage: #c5d3a3;
  --serif: "Young Serif", Georgia, "Times New Roman", serif;
  --sans: "Instrument Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --section: clamp(4.5rem, 9vw, 8rem);
  --wrap: 1240px;
  --ease: .25s ease;
}

*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, h3, h4, p, dl, dd, ol, ul, figure, blockquote { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { background: var(--bg); color: var(--ink); font: 400 1.0625rem/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
ol, ul { list-style: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.dark :focus-visible, .footer :focus-visible { outline-color: var(--sage); }

.wrap { width: min(var(--wrap), 100% - 2.5rem); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .6rem 1rem; z-index: 100; }
.skip:focus { left: 0; }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; letter-spacing: -.01em; }
h1 { font-size: clamp(2.7rem, 6vw, 5.2rem); line-height: 1.03; }
h2 { font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.08; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34rem; }

/* Buttons and links */
.btn { display: inline-block; background: var(--accent); color: #fff; border: 0; padding: .95rem 1.7rem; font: 500 .95rem var(--sans); text-decoration: none; cursor: pointer; transition: background var(--ease), transform var(--ease); }
.btn:hover { background: var(--accent-dark); transform: translateY(-2px); }
.link { text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; transition: color var(--ease); }
.link:hover { color: var(--accent); }

/* Header */
.site-header { position: fixed; inset: 0 0 auto; z-index: 50; border-bottom: 1px solid transparent; transition: background var(--ease), border-color var(--ease); }
.bar { display: flex; align-items: center; justify-content: space-between; height: 88px; transition: height var(--ease); }
.site-header.scrolled, .menu-open .site-header { background: var(--bg); border-color: var(--line); }
.site-header.scrolled .bar { height: 64px; }
.logo { display: flex; align-items: center; gap: .6rem; text-decoration: none; font: 400 1.25rem var(--serif); color: var(--accent); }
.logo span { color: var(--ink); }
.logo small { font: 500 .8rem var(--sans); color: var(--muted); margin-left: .15rem; }
.nav { display: flex; align-items: center; gap: 2rem; font-size: .92rem; }
.nav a { text-decoration: none; position: relative; }
.nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: -4px; width: 100%; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform var(--ease); }
.nav a:not(.nav-cta):hover::after { transform: scaleX(1); }
.nav-cta { border: 1px solid var(--ink); padding: .5rem 1.05rem; transition: background var(--ease), color var(--ease); }
.nav-cta:hover { background: var(--ink); color: var(--bg); }
.nav-toggle { display: none; width: 44px; height: 44px; background: none; border: 0; position: relative; cursor: pointer; }
.nav-toggle span { position: absolute; left: 11px; top: 50%; width: 22px; height: 2px; background: var(--ink); transition: transform var(--ease); }
.nav-toggle span:first-child { transform: translateY(-4px); }
.nav-toggle span:last-child { transform: translateY(3px); }
.nav-toggle[aria-expanded="true"] span:first-child { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: rotate(-45deg); }

/* Hero */
.hero { padding: calc(88px + clamp(2rem, 6vw, 5rem)) 0 var(--section); }
.hero-grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.hero h1 { margin-bottom: 1.75rem; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.75rem; margin-top: 2.25rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 1.5rem 2.5rem; margin-top: clamp(2.5rem, 6vw, 4.5rem); padding-top: 1.25rem; border-top: 1px solid var(--line); font-size: .88rem; }
.hero-meta dt { font-weight: 600; }
.hero-meta dd { color: var(--muted); }

.hero-art { position: relative; min-height: clamp(380px, 46vw, 580px); }
.arch { position: absolute; bottom: 0; border-radius: 999px 999px 0 0; }
.a1 { right: 0; width: 52%; height: 100%; background: var(--accent); }
.a1::after { content: ""; position: absolute; top: 12%; left: 50%; width: 30%; aspect-ratio: 1; border: 1px solid rgba(255, 255, 255, .45); border-radius: 50%; transform: translateX(-50%); }
.a2 { left: 4%; width: 40%; height: 70%; background: var(--ink) repeating-linear-gradient(90deg, transparent 0 13px, rgba(255, 255, 255, .13) 13px 14px); }
.a3 { left: 34%; width: 32%; height: 42%; background: var(--bg); border: 1px solid var(--ink); border-bottom: 0; }
.tag { position: absolute; top: 0; left: 0; border-left: 2px solid var(--accent); padding-left: .75rem; font-size: .85rem; line-height: 1.4; color: var(--muted); }

/* Sections */
.section { padding: var(--section) 0; }
.about-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(2rem, 6vw, 6rem); }
.about-art { margin-top: 3rem; aspect-ratio: 4 / 5; background: var(--paper); color: var(--accent); position: relative; overflow: hidden; max-width: 420px; }
.about-art svg { position: absolute; inset: 8% 8% 0; width: 84%; height: 92%; }
.about-art figcaption { position: absolute; left: 1rem; bottom: 1rem; right: 1rem; font-size: .8rem; color: var(--muted); }
.about-body { padding-top: .75rem; }
.cols { columns: 2; column-gap: 2.5rem; color: var(--muted); }
.cols p + p { margin-top: 1rem; }
.statement { font: 400 clamp(1.4rem, 2.4vw, 1.95rem)/1.3 var(--serif); border-left: 3px solid var(--accent); padding-left: 1.5rem; margin: 2.75rem 0; max-width: 40rem; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.facts div { padding: 1.25rem 1rem 0 0; display: flex; flex-direction: column-reverse; }
.facts dd { font: 400 clamp(1.8rem, 3vw, 2.5rem)/1.1 var(--serif); color: var(--accent); }
.facts dt { font-size: .85rem; color: var(--muted); }

/* Services */
.svc-grid { display: grid; grid-template-columns: 4fr 8fr; gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.svc-intro { position: sticky; top: 110px; }
.svc-intro p { color: var(--muted); margin-top: 1.25rem; max-width: 24rem; }
.svc { display: grid; grid-template-columns: 3.2rem 1fr 2rem; gap: 1rem; align-items: start; padding: 1.75rem 0; border-top: 1px solid var(--ink); transition: padding var(--ease), background var(--ease); }
.svc:last-child { border-bottom: 1px solid var(--ink); }
.svc .n { font: 400 .95rem var(--serif); color: var(--accent); padding-top: .4rem; }
.svc h3 { font-size: 1.55rem; line-height: 1.2; margin-bottom: .5rem; }
.svc p { color: var(--muted); max-width: 38rem; }
.svc .ico { width: 30px; height: 30px; color: var(--muted); transition: color var(--ease), transform var(--ease); }
.svc:hover { padding-left: 1rem; background: rgba(31, 77, 58, .06); }
.svc:hover .ico { color: var(--accent); transform: rotate(-6deg); }
.svc.big { padding: 2.5rem 0; }
.svc.big h3 { font-size: clamp(2rem, 3.4vw, 2.8rem); }

/* Approach (dark) */
.dark { background: var(--accent-dark); color: #dfe5d3; }
.ben-head { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(2rem, 6vw, 5rem); align-items: end; margin-bottom: clamp(3rem, 6vw, 5rem); }
.ben-head h2 { color: #fff; }
.ben-head p, .ben p { color: #b5c0a8; }
.ben-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem; }
.ben { border-top: 1px solid rgba(197, 211, 163, .35); padding-top: 1.5rem; }
.ben:nth-child(even) { margin-top: 3rem; }
.ben .num { display: block; font: 400 clamp(3.4rem, 6vw, 5.5rem)/1 var(--serif); color: var(--sage); margin-bottom: 1.25rem; }
.ben h3 { font-size: 1.4rem; color: #fff; margin-bottom: .6rem; }
.ben p { font-size: .97rem; }

/* Contact */
.contact { background: var(--paper); }
.contact-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.info .lead { margin: 1.25rem 0 2.5rem; }
.details div { padding: 1rem 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 6.5rem 1fr; gap: 1rem; }
.details dt { font-size: .85rem; color: var(--muted); padding-top: .15rem; }
.details a { color: var(--accent); font-weight: 500; text-underline-offset: 3px; }
form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem 1.5rem; background: var(--bg); padding: clamp(1.5rem, 4vw, 2.75rem); border: 1px solid var(--line); }
.field { display: flex; flex-direction: column; gap: .35rem; }
.full { grid-column: 1 / -1; }
label { font-size: .85rem; font-weight: 600; }
label i { font-style: normal; font-weight: 400; color: var(--muted); }
input, textarea { font: inherit; color: inherit; background: transparent; border: 0; border-bottom: 1px solid var(--ink); border-radius: 0; padding: .55rem 0; transition: border-color var(--ease), box-shadow var(--ease); }
textarea { resize: vertical; min-height: 120px; }
input:focus, textarea:focus { outline: 0; border-color: var(--accent); box-shadow: 0 1px 0 var(--accent); }
[aria-invalid="true"] { border-color: #a4231b; box-shadow: 0 1px 0 #a4231b; }
.err { color: #a4231b; font-size: .82rem; min-height: 1.2em; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.form-status { font-size: .95rem; flex: 1 1 14rem; }
.form-status.ok { color: var(--accent); }
.form-status.bad { color: #a4231b; }

/* Footer */
.footer { background: var(--ink); color: #b9bdb4; padding: clamp(3.5rem, 7vw, 5.5rem) 0 2rem; font-size: .92rem; }
.foot-grid { display: grid; grid-template-columns: 5fr 3fr 4fr; gap: 3rem; }
.foot-logo { font: 400 1.5rem var(--serif); color: #fff; margin-bottom: .75rem; }
.footer p { max-width: 26rem; }
.footer h4 { font: 600 .85rem var(--sans); color: #fff; margin-bottom: .9rem; }
.footer nav { display: flex; flex-direction: column; align-items: flex-start; gap: .35rem; }
.footer address { font-style: normal; line-height: 1.8; }
.footer a { text-decoration: none; transition: color var(--ease); }
.footer a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.foot-bottom { margin-top: clamp(2.5rem, 6vw, 4rem); padding-top: 1.5rem; border-top: 1px solid #353a36; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 2rem; font-size: .82rem; }
.legal { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }

/* Reveal on scroll */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease var(--d, 0s), transform .6s ease var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid, .about-grid, .svc-grid, .ben-head, .contact-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; min-height: 340px; }
  .hero { padding-top: calc(88px + 1.5rem); }
  .about-art { max-width: 340px; }
  .svc-intro { position: static; }
  .ben-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .bar { height: 68px; }
  .hero { padding-top: calc(68px + 1.5rem); }
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: .5rem 1.25rem 1.5rem; }
  .nav.open { display: flex; }
  .nav a { padding: .8rem 0; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }
  .nav-cta { margin-top: 1rem; text-align: center; border-bottom: 1px solid var(--ink); }
}

@media (max-width: 600px) {
  .cols { columns: 1; }
  .ben-grid { grid-template-columns: 1fr; gap: 2rem; }
  .ben:nth-child(even) { margin-top: 0; }
  form { grid-template-columns: 1fr; }
  .details div { grid-template-columns: 1fr; gap: .25rem; }
  .svc { grid-template-columns: 2.4rem 1fr; }
  .svc .ico { display: none; }
  .foot-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: .01ms !important; }
}