/* =========================================================================
   Codeprehensible — design system
   Aesthetic: "lit terminal" — warm near-black paper, phosphor-green accent,
   serif display (Fraunces) against a humanist body (Public Sans) with
   IBM Plex Mono for code/technical detail. Editorial, technical, calm.
   ========================================================================= */

@font-face {
  font-family: "Fraunces"; font-style: normal; font-weight: 600;
  src: url("/static/fonts/fraunces-latin-600-normal.woff2") format("woff2");
  font-display: swap;
}
@font-face {
  font-family: "Fraunces"; font-style: normal; font-weight: 700;
  src: url("/static/fonts/fraunces-latin-700-normal.woff2") format("woff2");
  font-display: swap;
}
@font-face {
  font-family: "Public Sans"; font-style: normal; font-weight: 400;
  src: url("/static/fonts/public-sans-latin-400-normal.woff2") format("woff2");
  font-display: swap;
}
@font-face {
  font-family: "Public Sans"; font-style: normal; font-weight: 600;
  src: url("/static/fonts/public-sans-latin-600-normal.woff2") format("woff2");
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400;
  src: url("/static/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500;
  src: url("/static/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");
  font-display: swap;
}

:root {
  --paper:    #0b0f0e;   /* cool near-black, faint green tint */
  --paper-2:  #131917;   /* raised surface (box background) */
  --paper-3:  #1b221f;   /* hover / card */
  --ink:      #eff3f0;   /* primary text */
  --ink-soft: #d7dcd7;   /* secondary / body text — high contrast on paper */
  --ink-faint:#98a29b;   /* tertiary labels */
  --term:     #4ade80;   /* phosphor terminal green — primary accent */
  --term-deep:#22c55e;
  --sky:      #7dd3fc;   /* secondary accent — bright sky, readable on dark */
  --sky-deep: #38bdf8;
  --green:    #8fd14f;   /* "available" status */
  --rust:     #e2795a;   /* warning / full */
  --line:     #262d29;   /* hairline */
  --line-2:   #35403a;
  --line-strong: #62726a; /* control borders — meets WCAG 1.4.11 3:1 on paper/paper-2 */

  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
  --sans: "Public Sans", system-ui, sans-serif;
  --serif: "Fraunces", Georgia, serif;

  --maxw: 1120px;
  --radius: 14px;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.7);
}

* { box-sizing: border-box; }
/* offset in-page anchor jumps so the sticky 72px header doesn't clip the target heading */
html { scroll-behavior: smooth; scroll-padding-top: 92px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  /* subtle grain + phosphor glow at the top */
  background-image:
    radial-gradient(120% 60% at 50% -10%, rgba(74,222,128,.08), transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.025'/%3E%3C/svg%3E");
  background-attachment: fixed, fixed;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

a { color: inherit; text-decoration: none; }

h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.08; letter-spacing: -.01em; margin: 0; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h3 { font-size: 1.35rem; }

.mono { font-family: var(--mono); }
.eyebrow {
  font-family: var(--mono); font-weight: 500; font-size: .78rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--sky);
}

/* --------------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: .55rem; font-family: var(--mono); font-weight: 500; font-size: 1.05rem; line-height: 1; }
.brand .logo-mark {
  width: 1.7em; height: 1.7em; color: var(--term); flex: none;
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--term) 45%, transparent));
  transition: transform .3s cubic-bezier(.2,.7,.2,1), filter .3s;
}
.brand:hover .logo-mark { transform: rotate(-8deg); filter: drop-shadow(0 0 10px color-mix(in srgb, var(--term) 65%, transparent)); }
.brand-lg .logo-mark { width: 1.55em; height: 1.55em; position: relative; top: 0.33em; }
/* header brand keeps the blinking terminal cursor; the logo mark lives in the footer */
.brand .blink {
  width: .7ch; height: 1.05em; background: var(--term); display: inline-block;
  transform: translateY(.12em); animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.brand b { color: var(--ink); }
.brand .dim { color: var(--ink); }

.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  font-family: var(--mono); font-size: .82rem; letter-spacing: .04em;
  color: var(--ink-soft); padding: .5rem .85rem; border-radius: 8px;
  transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--ink); background: var(--paper-3); }
.nav-links a.active { color: var(--term); }
.nav-links a.lang-switch {
  border: 1px solid var(--line-strong); border-radius: 8px;
  font-family: var(--mono); font-size: .78rem; letter-spacing: .08em;
}
.nav-links a.lang-switch:hover { border-color: var(--term); color: var(--term); }
.nav-cta {
  margin-left: .6rem; border: 1px solid var(--line-2) !important;
  color: var(--ink) !important;
}
.nav-cta:hover { border-color: var(--term) !important; background: transparent !important; color: var(--term) !important; }

.menu-toggle { display: none; background: none; border: 0; color: var(--ink); font-family: var(--mono); cursor: pointer; font-size: 1.4rem; }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--mono); font-size: .9rem; font-weight: 500; letter-spacing: .02em;
  padding: .8rem 1.4rem; border-radius: 10px; cursor: pointer;
  border: 1px solid transparent; transition: transform .12s, box-shadow .2s, background .2s;
}
.btn-primary { background: var(--term); color: #06210f; box-shadow: 0 0 0 0 rgba(74,222,128,.5); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -8px rgba(74,222,128,.5); }
.btn-ghost { border-color: var(--line-strong); color: var(--ink); }
.btn-ghost:hover { border-color: var(--term); color: var(--term); }
.btn[disabled] { opacity: .4; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-block { width: 100%; justify-content: center; }

/* --------------------------------------------------------------- hero */
.hero { padding: clamp(4rem, 11vw, 8rem) 0 4.5rem; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; position: relative; z-index: 1; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  /* tiled phosphor "❯"-prompt glyphs instead of a dot grid */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='50' height='50' viewBox='0 0 50 50'%3E%3Ctext x='25' y='31' text-anchor='middle' font-family='monospace' font-size='14' fill='%234ade80'%3E%3E%3C/text%3E%3C/svg%3E");
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(120% 80% at 20% 4%, #000, transparent 55%);
  mask-image: radial-gradient(120% 80% at 20% 4%, #000, transparent 55%);
  opacity: .12;
}
.hero-cmd { font-family: var(--mono); font-size: .88rem; color: var(--ink-soft); margin-bottom: 1.3rem; }
.hero-cmd .u { color: var(--term); } .hero-cmd .pa { color: var(--sky); }
.hero h1 { margin: 1.2rem 0; }
.hero h1 .accent { color: var(--term); font-style: italic; }
.hero p.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 34ch; }
.hero-actions { display: flex; gap: .8rem; margin-top: 2rem; flex-wrap: wrap; align-items: center; }
/* trust badges: shields.io/CI-style split pills under the hero CTAs (nerdy + lit) */
.hero-trust { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.75rem; }
.badge-stat {
  display: inline-flex; align-items: stretch; border-radius: 7px; overflow: hidden;
  font-family: var(--mono); font-size: .82rem; line-height: 1;
  border: 1px solid var(--line-2); transition: transform .16s, box-shadow .2s, border-color .2s;
}
.badge-stat .bs-k { display: flex; align-items: center; padding: .45rem .7rem; background: var(--paper-3); color: var(--ink-faint); letter-spacing: .03em; }
.badge-stat .bs-v {
  display: flex; align-items: center; padding: .45rem .7rem; font-weight: 600;
  background: color-mix(in srgb, var(--term) 15%, var(--paper-2)); color: var(--term);
  text-shadow: 0 0 9px color-mix(in srgb, var(--term) 45%, transparent);
}
.badge-stat:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--term) 45%, var(--line-2)); box-shadow: 0 8px 22px -10px color-mix(in srgb, var(--term) 55%, transparent); }
/* trust strip: the badges live in their own thin band below the hero */
.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 1.4rem 0; background: color-mix(in srgb, var(--paper-2) 45%, transparent); }
.trust-strip .hero-trust { justify-content: center; margin-top: 0; }
/* secondary hero CTA: phosphor outline (not the neutral course-card ghost) so it
   sits in the lit-terminal palette and pairs with the solid-green primary */
.hero-actions .btn-ghost, .empty-actions .btn-ghost {
  border-color: color-mix(in srgb, var(--term) 45%, transparent);
  color: var(--term);
  background: color-mix(in srgb, var(--term) 6%, transparent);
}
.hero-actions .btn-ghost:hover, .empty-actions .btn-ghost:hover {
  border-color: var(--term); color: var(--ink);
  background: color-mix(in srgb, var(--term) 14%, transparent);
  transform: translateY(-2px); box-shadow: 0 10px 30px -12px rgba(74,222,128,.4);
}

/* terminal card in hero */
.terminal {
  position: relative;
  background: var(--paper-2); border: 1px solid var(--line-2); border-radius: var(--radius);
  box-shadow: 0 0 60px -30px rgba(74,222,128,.4), var(--shadow); overflow: hidden;
  font-family: var(--mono); font-size: .86rem;
}
/* CRT scanline — kept very faint so terminal text stays crisp */
.terminal::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 2;
  background: repeating-linear-gradient(180deg, rgba(0,0,0,0) 0 3px, rgba(0,0,0,.05) 3px 4px);
  animation: crt-flicker 5s steps(40) infinite;
}
@keyframes crt-flicker { 0%,96%,100% { opacity: .5; } 97% { opacity: .35; } 98.5% { opacity: .6; } }
/* window chrome — a bespoke terminal title bar (deliberately NOT the
   red/yellow/green macOS traffic lights nor Windows min/max/close buttons):
   a phosphor prompt chip on the left, the file name, one live-status dot right. */
.terminal-bar, .term-window .tw-bar {
  display: flex; align-items: center; gap: .6rem;
  padding: .6rem .85rem; border-bottom: 1px solid var(--line); background: var(--paper-3);
}
.win-prompt {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.45rem; height: 1.45rem; border-radius: 6px; flex: none;
  border: 1px solid color-mix(in srgb, var(--term) 42%, transparent);
  background: color-mix(in srgb, var(--term) 12%, transparent);
  color: var(--term); font-family: var(--mono); font-size: .82rem; line-height: 1;
  box-shadow: inset 0 0 9px color-mix(in srgb, var(--term) 20%, transparent);
}
.win-file, .term-window .tw-bar .tw-name {
  font-family: var(--mono); font-size: .78rem; letter-spacing: .02em; color: var(--ink-soft); margin-left: 0;
}
.win-meta {
  margin-left: auto; font-family: var(--mono); font-size: .68rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-faint);
  display: inline-flex; align-items: center; gap: .45rem;
}
.win-meta::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; flex: none;
  background: var(--term); box-shadow: 0 0 7px var(--term);
}
/* negative states (e.g. confirm.html "ausgebucht"/"ungültig") turn the dot red */
.win-meta.warn { color: var(--rust); }
.win-meta.warn::before { background: var(--rust); box-shadow: 0 0 7px var(--rust); }
.terminal-body { padding: 1.2rem 1.3rem; line-height: 1.8; }
.terminal-body .c { color: var(--ink-soft); }
.terminal-body .k { color: var(--term); }
.terminal-body .s { color: var(--green); }
.terminal-body .prompt::before { content: "› "; color: var(--term); }
.cursor { background: var(--ink); color: var(--paper); animation: blink 1.1s steps(1) infinite; }

/* --------------------------------------------------------------- hero tags */
.hero-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.6rem 0 .2rem; }
.tag-pill {
  font-family: var(--mono); font-size: .76rem; letter-spacing: .03em; line-height: 1.4;
  padding: .35rem .75rem; border-radius: 7px; cursor: pointer;
  color: var(--sky); border: 1px solid color-mix(in srgb, var(--sky) 32%, transparent);
  background: color-mix(in srgb, var(--sky) 7%, transparent);
  transition: transform .12s, border-color .15s, background .15s, color .15s;
}
.tag-pill:hover { transform: translateY(-1px); border-color: var(--sky); color: var(--ink); background: color-mix(in srgb, var(--sky) 14%, transparent); }
.tag-pill.is-active { background: color-mix(in srgb, var(--sky) 22%, transparent); border-color: var(--sky); color: var(--ink); }

/* services shown separately below the learn-topic pills — NOT wired to the
   terminal's you.learn() line; phosphor accent marks them as services, not topics */
.hero-more { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; margin: .85rem 0 .2rem; }
.hero-more-label { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); }
.tag-pill.tag-link { color: var(--term); border-color: color-mix(in srgb, var(--term) 34%, transparent); background: color-mix(in srgb, var(--term) 8%, transparent); }
.tag-pill.tag-link:hover { color: var(--ink); border-color: var(--term); background: color-mix(in srgb, var(--term) 15%, transparent); }

/* --------------------------------------------------------------- sections */
section.block { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section-head { max-width: 60ch; margin-bottom: 3rem; }
.section-head p { color: var(--ink-soft); margin-top: 1rem; }

/* why: the live "Wieso Codeprehensible?" points, verbatim */
.why-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.3rem; max-width: 74ch; }
.why-list li { position: relative; padding-left: 1.7rem; color: var(--ink-soft); font-size: 1.06rem; }
.why-list li::before { content: "▸"; position: absolute; left: 0; top: 0; color: var(--term); font-family: var(--mono); }

/* hero subline + conditions label + slot table header */
.hero-sub { font-family: var(--mono); color: var(--term); font-size: .95rem; letter-spacing: .02em; margin: .55rem 0 0; }
.cond-label { display: block; font-family: var(--mono); font-weight: 500; font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--sky); margin-bottom: .5rem; }
.slot-head { display: flex; justify-content: space-between; font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-faint); padding: 0 .2rem .5rem; }
.slot .slot-days { display: block; font-family: var(--mono); font-size: .72rem; color: var(--ink-faint); margin: .15rem 0; }

/* testimonial */
.testimonial {
  border-left: 2px solid var(--term); background: var(--paper-2);
  border-radius: 0 var(--radius) var(--radius) 0; padding: 2rem 2.2rem; max-width: 68ch;
}
.testimonial p {
  font-family: var(--serif); font-size: clamp(1.2rem, 2.4vw, 1.6rem); font-style: italic;
  color: var(--ink); line-height: 1.45; margin: 0;
}
.reviews { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem 2.4rem; align-items: start; }
/* quiet treatment: flat (no card), thin neutral rule, smaller calm text — the
   section should support the page, not compete with it */
.reviews .testimonial {
  max-width: none; height: auto;
  background: transparent; border-left: 2px solid var(--line-2);
  border-radius: 0; padding: .2rem 0 .2rem 1.3rem;
}
.reviews .testimonial p {
  font-size: clamp(.9rem, 1.1vw, 1rem); line-height: 1.62; color: var(--ink-soft);
}

/* team bios */
.team { display: grid; gap: 3.5rem; margin-top: 1rem; }
.bio { display: grid; grid-template-columns: 12rem 1fr; gap: 2rem; align-items: start; }
.bio-id { position: sticky; top: 96px; }
.bio-id .name { font-family: var(--serif); font-size: 2rem; color: var(--ink); line-height: 1; }
.bio-id .role { display: flex; flex-direction: column; gap: .25rem; font-family: var(--mono); font-size: .76rem; letter-spacing: .06em; color: var(--sky); margin-top: .7rem; }
.bio-id .role span { display: flex; align-items: baseline; gap: .45rem; }
.bio-id .role span::before { content: "▸"; color: var(--term); font-size: .8em; }
.bio-body h3 {
  font-family: var(--mono); font-weight: 500; font-size: .95rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--term); margin: 2.3rem 0 .9rem; display: flex; align-items: center; gap: .8rem;
}
.bio-body h3::before { content: "##"; color: var(--sky); }
.bio-body h3::after { content: ""; flex: 1; height: 1px; background: var(--line-2); }
.bio-body h3:first-child { margin-top: 0; }
.bio-body p { color: var(--ink-soft); margin: 0 0 1rem; }

/* --------------------------------------------------------------- course cards */
.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 1.5rem; }
/* category groups on the course page */
.cat-head { display: flex; align-items: baseline; gap: .75rem; font-family: var(--mono); font-weight: 500; font-size: 1.15rem; letter-spacing: .02em; color: var(--term); margin: 3rem 0 1.3rem; }
.cat-head:first-of-type { margin-top: .5rem; }
.cat-head::before { content: "❯"; color: var(--term); }
.cat-head .cat-name { color: var(--ink); }
.cat-head .cat-count { font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-faint); border: 1px solid var(--line-2); border-radius: 999px; padding: .16rem .6rem; }
.chip.level .ldots { color: var(--term); letter-spacing: .12em; font-size: .85em; margin-left: .1rem; }
.course-card {
  display: flex; flex-direction: column;
  background: var(--paper-2); border: 1px solid var(--line-2); border-radius: var(--radius);
  overflow: hidden; transition: border-color .2s, transform .2s, box-shadow .2s;
  /* subtle lift so each card reads as its own object against the paper */
  box-shadow: 0 8px 22px -16px rgba(0,0,0,.75);
}
.course-card:hover { border-color: color-mix(in srgb, var(--term) 45%, var(--line-2)); transform: translateY(-4px); }
.course-card .top { padding: 1.5rem 1.5rem 1.2rem; flex: 1; }
.course-card .tagrow { display: flex; gap: .5rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; }
.course-card h3 { margin-bottom: .35rem; }
.course-card .sub { color: var(--ink-soft); font-size: .95rem; }
.course-card .bottom {
  padding: 1.1rem 1.5rem; border-top: 1px solid var(--line-2);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  background: color-mix(in srgb, var(--paper-3) 50%, transparent);
}
.price { font-family: var(--serif); font-size: 1.5rem; color: var(--ink); }
.price small { font-family: var(--mono); font-size: .68rem; color: var(--ink-faint); display: block; letter-spacing: .03em; }

/* chips / badges */
.chip {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .06em; text-transform: uppercase;
  padding: .28rem .6rem; border-radius: 999px; border: 1px solid var(--line-2); color: var(--ink-soft);
}
.chip.tag { color: var(--term); border-color: color-mix(in srgb, var(--term) 40%, transparent); }
.chip.lang { font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; color: var(--term); border-color: color-mix(in srgb, var(--term) 40%, transparent); }
.badge { font-family: var(--mono); font-size: .72rem; letter-spacing: .04em; padding: .28rem .6rem; border-radius: 6px; display: inline-flex; align-items: center; gap: .4rem; }
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; }
.badge.available { color: var(--green); background: color-mix(in srgb, var(--green) 12%, transparent); }
.badge.available::before { background: var(--green); box-shadow: 0 0 8px var(--green); }
.badge.notimeslot { color: var(--ink-soft); background: var(--paper-3); }
.badge.notimeslot::before { background: var(--ink-faint); }
.badge.full { color: var(--rust); background: color-mix(in srgb, var(--rust) 12%, transparent); }
.badge.full::before { background: var(--rust); }

/* --------------------------------------------------------------- course detail */
.detail-hero { padding: clamp(3rem, 7vw, 5rem) 0 2.5rem; border-bottom: 1px solid var(--line); }
.detail-hero .backlink { font-family: var(--mono); font-size: .82rem; color: var(--ink-soft); }
.detail-hero .backlink:hover { color: var(--term); }
.detail-grid { display: grid; grid-template-columns: 1.4fr .9fr; gap: 3rem; align-items: start; padding: 3rem 0 5rem; }
.prose { color: var(--ink-soft); }
.prose h1,.prose h2,.prose h3 { color: var(--ink); margin: 1.8rem 0 .8rem; }
.prose p { margin: 0 0 1rem; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin: .4rem 0; }
.prose strong { color: var(--ink); }
.prose a { color: var(--term); text-decoration: underline; text-underline-offset: 3px; }
.prose code { font-family: var(--mono); background: var(--paper-3); padding: .1rem .4rem; border-radius: 5px; font-size: .88em; }

.booking-card {
  position: sticky; top: 96px;
  background: var(--paper-2); border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 1.6rem; box-shadow: var(--shadow);
}
.booking-card .price-lg { font-family: var(--serif); font-size: 2.4rem; color: var(--ink); }
.booking-card .price-lg small { font-family: var(--mono); font-size: .72rem; color: var(--ink-faint); display: block; }
.meta-list { list-style: none; padding: 0; margin: 1.4rem 0; border-top: 1px solid var(--line); }
.meta-list li { display: flex; justify-content: space-between; padding: .7rem 0; border-bottom: 1px solid var(--line); font-size: .92rem; }
.meta-list .k { font-family: var(--mono); color: var(--ink-faint); font-size: .8rem; letter-spacing: .03em; }

/* slot picker */
.slots { display: flex; flex-direction: column; gap: .6rem; margin: 1rem 0 1.3rem; }
.slot {
  display: flex; align-items: center; gap: .8rem; padding: .85rem 1rem;
  border: 1px solid var(--line-strong); border-radius: 10px; cursor: pointer; transition: border-color .15s, background .15s;
}
.slot:hover { border-color: var(--term); }
.slot input { accent-color: var(--term); width: 1.1rem; height: 1.1rem; }
.slot.disabled { opacity: .5; cursor: not-allowed; }
.slot .info { flex: 1; }
.slot .date { font-family: var(--mono); font-size: .9rem; color: var(--ink); }
.slot .seats { font-size: .78rem; color: var(--ink-soft); }
.slot input:checked + .info .date { color: var(--term); }
.slot:has(input:checked) { border-color: var(--term); background: color-mix(in srgb, var(--term) 8%, transparent); }
.slot .slot-lang {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--term); border: 1px solid color-mix(in srgb, var(--term) 40%, transparent);
  border-radius: 6px; padding: .1rem .4rem; margin-left: .4rem; white-space: nowrap;
}

/* forms */
.field { margin-bottom: .9rem; }
.field-row { display: flex; gap: .7rem; }
.field label { display: block; font-family: var(--mono); font-size: .76rem; letter-spacing: .04em; color: var(--ink-soft); margin-bottom: .35rem; }
.field input, .field textarea {
  width: 100%; background: var(--paper); border: 1px solid var(--line-strong); border-radius: 9px;
  color: var(--ink); font-family: var(--sans); font-size: .95rem; padding: .7rem .85rem;
  transition: border-color .15s;
}
.field input:focus, .field textarea:focus { border-color: var(--term); }
.field textarea { resize: vertical; min-height: 70px; }
.booking-card .price-lg .vat-note { font-family: var(--mono); font-size: .72rem; color: var(--ink-faint); }

/* § 312j BGB order summary shown directly above the order button */
.order-summary {
  border: 1px solid var(--line-2); background: var(--paper-3); border-radius: 10px;
  padding: .8rem 1rem; margin: 1.1rem 0 1rem;
}
.order-summary .os-row {
  display: flex; justify-content: space-between; gap: 1rem;
  font-size: .84rem; padding: .2rem 0;
}
.order-summary .os-row span { font-family: var(--mono); font-size: .72rem; color: var(--ink-faint); padding-top: .15rem; white-space: nowrap; }
.order-summary .os-row strong { color: var(--ink); font-weight: 600; text-align: right; }

.consent { display: flex; gap: .6rem; align-items: flex-start; margin: 0 0 1rem; cursor: pointer; }
.consent input { margin-top: .25rem; accent-color: var(--term); flex: none; }
.consent span { font-size: .8rem; color: var(--ink-soft); line-height: 1.5; }
.consent a { color: var(--ink); }

.form-error {
  font-family: var(--mono); font-size: .82rem; color: var(--rust);
  background: color-mix(in srgb, var(--rust) 10%, transparent); border: 1px solid color-mix(in srgb, var(--rust) 30%, transparent);
  padding: .6rem .8rem; border-radius: 8px; margin-bottom: 1rem;
}
.htmx-indicator { opacity: 0; transition: opacity .2s; }
.htmx-request .htmx-indicator { opacity: 1; }
.htmx-request.btn { opacity: .7; pointer-events: none; }

.success-box { text-align: center; padding: 1rem 0; }
.success-box .check {
  width: 56px; height: 56px; margin: 0 auto 1.2rem; border-radius: 50%;
  background: color-mix(in srgb, var(--green) 18%, transparent); color: var(--green);
  display: grid; place-items: center; font-size: 1.6rem; border: 1px solid var(--green);
}
.success-box .check.mail { background: color-mix(in srgb, var(--sky) 16%, transparent); color: var(--sky); border-color: var(--sky); }
.success-box .check.warn { background: color-mix(in srgb, var(--rust) 16%, transparent); color: var(--rust); border-color: var(--rust); }
.success-box h2 { font-size: 1.35rem; margin-bottom: .6rem; }
.success-box h1 { font-family: var(--serif); font-size: 1.6rem; color: var(--ink); margin-bottom: .6rem; letter-spacing: -.01em; }
.success-box p { color: var(--ink-soft); font-size: .95rem; }

.notice {
  font-family: var(--mono); font-size: .86rem; color: var(--ink-soft);
  background: var(--paper-3); border: 1px dashed var(--line-2); border-radius: 10px; padding: 1rem;
  text-align: center;
}

/* empty state (e.g. course catalogue with no courses) */
.empty-state .tw-body { padding: 1.9rem 2rem 2.1rem; }
.es-cmd { font-family: var(--mono); font-size: .86rem; color: var(--term); margin: 0 0 1.1rem; }
.es-cmd .es-out { color: var(--ink-faint); }
.empty-state h2 { font-family: var(--serif); font-size: 1.5rem; color: var(--ink); margin: 0 0 .6rem; }
.empty-state .es-text { color: var(--ink-soft); margin: 0; max-width: 52ch; }
.empty-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.6rem; }
.notice-cta { line-height: 1.6; }
.notice-cta .btn { margin-top: 1rem; }

/* --------------------------------------------------------------- cta band */
.cta-band {
  background: linear-gradient(120deg, var(--paper-2), var(--paper-3));
  border: 1px solid var(--line-2); border-radius: 20px; padding: clamp(2.5rem, 6vw, 4rem);
  text-align: center; position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(60% 120% at 50% 0%, rgba(74,222,128,.07), transparent 70%);
  pointer-events: none;
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band p { color: var(--ink); max-width: 50ch; margin: 1rem auto 2rem; }

/* --------------------------------------------------------------- footer */
.site-footer { border-top: 1px solid var(--line); padding: 3.5rem 0 2.5rem; margin-top: 4rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2rem; }
.footer-grid h2 { font-family: var(--mono); font-size: .76rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 1rem; line-height: 1.2; }
.footer-grid a { display: block; color: var(--ink-soft); font-size: .92rem; padding: .25rem 0; }
.footer-grid a:hover { color: var(--term); }
.footer-grid a.footer-more { color: var(--term); margin-top: .35rem; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font-family: var(--mono); font-size: .78rem; color: var(--ink-faint); flex-wrap: wrap; gap: 1rem; }

/* --------------------------------------------------------------- legal */
.legal { padding: 4rem 0 5rem; max-width: 72ch; }
.legal h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 2rem; }
.legal .prose h2 { font-size: 1.4rem; }

/* --------------------------------------------------------------- reveal anim */
.reveal { opacity: 0; transform: translateY(18px); animation: reveal .7s cubic-bezier(.2,.7,.2,1) forwards; }
@keyframes reveal { to { opacity: 1; transform: none; } }
.d1 { animation-delay: .05s; } .d2 { animation-delay: .14s; } .d3 { animation-delay: .23s; }
.d4 { animation-delay: .32s; } .d5 { animation-delay: .41s; }

/* --------------------------------------------------------------- dynamic bits */
/* hero terminal boot: input typed char-by-char, output line-by-line (JS-driven).
   visibility keeps every line's box so nothing reflows while it "runs". */
.terminal-body.boot > * { visibility: hidden; }
.terminal-body.boot .ty { visibility: hidden; }
.terminal-body.boot.done > *,
.terminal-body.boot.done .ty,
.terminal-body.boot.done .cursor { visibility: visible; }

/* landing: command-line headers + terminal windows */
.sec-head { margin-bottom: 1.5rem; }
.cmd-line { font-family: var(--mono); font-size: .88rem; color: var(--ink-soft); margin-bottom: .7rem; display: flex; align-items: center; gap: .5rem; }
.cmd-line .p { color: var(--term); font-weight: 500; }
.cmd-line .arg { color: var(--sky); }
.cmd-line a.cmd-mail:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* framed "output" panel: no title bar (the ❯ command header above is the label),
   just a thin phosphor top edge so it still reads as lit-terminal, not a card */
.term-window { position: relative; border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--paper-2); overflow: hidden; box-shadow: 0 0 70px -40px rgba(74,222,128,.35), var(--shadow); }
.term-window::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; pointer-events: none;
  background: linear-gradient(90deg, color-mix(in srgb, var(--term) 55%, transparent), transparent 55%);
}
/* .tw-bar shares the .win-* window-chrome styles defined above */
.term-window .tw-body { padding: 1.8rem 2rem; }
.term-window .tw-body > p { margin: 0; color: var(--ink); font-size: 1.06rem; }
.term-window .why-list { max-width: none; }
.term-window .why-list li { color: var(--ink); }

/* why.sh — fancy numbered, hover-lit listing */
.why-code { list-style: none; margin: 0; padding: 0; }
.why-code li { display: grid; grid-template-columns: 2.2rem 1fr; gap: 1rem; align-items: start; padding: .9rem 1rem .9rem .4rem; border-left: 2px solid transparent; border-radius: 6px; transition: background .15s, border-color .15s; }
.why-code li + li { margin-top: .25rem; }
.why-code .ln { font-family: var(--mono); font-size: .82rem; color: var(--ink-faint); text-align: right; padding-top: .15rem; transition: color .15s; }
.why-code li p { margin: 0; color: var(--ink); font-size: 1.04rem; }
.why-code .wk { display: block; font-family: var(--mono); font-size: .72rem; letter-spacing: .05em; color: var(--sky); margin-bottom: .3rem; }
.why-code li:hover { background: color-mix(in srgb, var(--term) 7%, transparent); border-left-color: var(--term); }
.why-code li:hover .ln { color: var(--term); }

/* beratung & services cards */
.svc-contact { margin-top: 1.8rem; font-family: var(--mono); font-size: .95rem; color: var(--ink-soft); line-height: 1.7; }
.svc-contact .p { color: var(--term); margin-right: .35rem; }
.svc-contact .sep { color: var(--ink-faint); margin: 0 .3rem; }
.svc-contact a { color: var(--term); }
.svc-contact a:hover { text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom a:hover { color: var(--term); }
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.service-card { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; transition: border-color .2s, transform .2s, box-shadow .2s; }
.service-card:hover { border-color: var(--line-2); transform: translateY(-3px); box-shadow: 0 16px 46px -22px rgba(74,222,128,.35), var(--shadow); }
.service-card .svc-key { font-family: var(--mono); font-size: .78rem; letter-spacing: .04em; color: var(--sky); margin-bottom: 1rem; }
.service-card .svc-key::before { content: "▸ "; color: var(--term); }
.service-card h3 { font-size: 1.22rem; margin-bottom: .6rem; }
.service-card p { color: var(--ink-soft); font-size: .98rem; margin: 0; }

/* unified phosphor focus ring */
:focus-visible { outline: 2px solid var(--term); outline-offset: 3px; border-radius: 5px; }
:focus:not(:focus-visible) { outline: none; }

/* skip-to-content link: visually hidden until keyboard-focused (WCAG 2.4.1) */
.skip-link {
  position: absolute; left: 12px; top: -70px; z-index: 100;
  background: var(--term); color: #06210f; font-family: var(--mono); font-weight: 500; font-size: .85rem;
  padding: .6rem 1rem; border-radius: 8px; transition: top .15s;
}
.skip-link:focus { top: 12px; }

/* scroll reveal (driven by IntersectionObserver adding .shown) */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .6s cubic-bezier(.2,.7,.2,1), transform .6s cubic-bezier(.2,.7,.2,1); }
[data-reveal].shown { opacity: 1; transform: none; }

/* course card phosphor hover */
.course-card h3 { transition: color .2s; }
.course-card:hover { box-shadow: 0 16px 46px -20px rgba(74,222,128,.42), var(--shadow); }
.course-card:hover h3 { color: var(--term); }

/* respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal, [data-reveal] { opacity: 1 !important; transform: none !important; }
  .terminal-body.boot > *, .terminal-body.boot .ty, .terminal-body.boot .cursor { visibility: visible !important; }
  .cursor, .brand .blink, .terminal::after { animation: none !important; }
}

/* --------------------------------------------------------------- responsive */
@media (max-width: 920px) {
  .hero-grid, .detail-grid { grid-template-columns: 1fr; }
  .reviews { grid-template-columns: 1fr; }
  .services { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .booking-card { position: static; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line); padding: 1rem; gap: .2rem;
  }
  .nav-links.open a { padding: .8rem 1rem; }
  .menu-toggle { display: block; }
  .bio { grid-template-columns: 1fr; gap: 1rem; }
  .bio-id { position: static; }
  .footer-grid { grid-template-columns: 1fr; }
}