/* =========================================================
   BENZIL – Design-System
   ========================================================= */

/* Schriften lokal eingebunden (variable Fonts, latin-Subset, SIL Open Font License) */
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("../fonts/space-grotesk-latin.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-latin.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #0a0b0f;
  --surface: #12141a;
  --surface-2: #171a22;
  --line: #1f232c;
  --line-strong: #2b303b;
  --text: #e6e8ee;
  --muted: #8a90a0;
  --accent: #4de1ff;
  --accent-dim: rgba(77, 225, 255, 0.12);
  --accent-glow: 0 0 24px rgba(77, 225, 255, 0.25);

  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;

  --radius: 12px;
  --container: 1120px;
  --header-h: 68px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* feines Raster im Hintergrund */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 70% 0%, #000 0%, transparent 65%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 0%, #000 0%, transparent 65%);
  opacity: 0.55;
  pointer-events: none;
}

/* Hexagon-Raster (Canvas, ersetzt auf der Startseite das Quadrat-Raster) */
#hexgrid {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}
.has-hexgrid body::before { display: none; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
strong { color: var(--text); font-weight: 600; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; margin: 0; }
p { margin: 0 0 1em; }

.mono { font-family: var(--font-mono); }
.muted { color: var(--muted); font-weight: 400; }
.accent-text { color: var(--accent); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 16px;
}
@media (min-width: 768px) { .container { padding: 0 32px; } }

.skip-link {
  position: absolute; left: 16px; top: 12px;
  transform: translateY(-200%);
  background: var(--accent); color: var(--bg);
  padding: 8px 12px; border-radius: 6px; z-index: 100;
}
.skip-link:focus { transform: none; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.icon { width: 20px; height: 20px; flex-shrink: 0; }
.icon-lg { width: 28px; height: 28px; }

/* ===== Header ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 50;
  background: rgba(10, 11, 15, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }

.header-inner {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}

.logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.18em;
}
.logo-dot { color: var(--accent); animation: blink 1.1s steps(1) infinite; }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a {
  font-size: 0.9rem;
  color: var(--muted);
  position: relative;
  transition: color 0.2s;
}
.site-nav a:hover, .site-nav a.is-active { color: var(--text); }
.site-nav a.is-active:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 1px; background: var(--accent); box-shadow: var(--accent-glow);
}
.site-nav .nav-cta {
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 6px 14px;
  border-radius: 999px;
}
.site-nav .nav-cta:hover { background: var(--accent-dim); color: var(--accent); }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: none; border: 1px solid var(--line-strong); border-radius: 8px;
  cursor: pointer; position: relative;
}
.nav-toggle span {
  position: absolute; left: 11px; right: 11px; height: 1.5px;
  background: var(--text); transition: transform 0.3s var(--ease), top 0.3s var(--ease);
}
.nav-toggle span:first-child { top: 15px; }
.nav-toggle span:last-child { top: 23px; }
.nav-toggle[aria-expanded="true"] span:first-child { top: 19px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { top: 19px; transform: rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(10, 11, 15, 0.97);
    border-bottom: 1px solid var(--line);
    padding: 8px 16px 20px;
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity 0.25s, transform 0.25s var(--ease), visibility 0.25s;
  }
  .site-nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .site-nav a { padding: 14px 4px; font-size: 1rem; border-bottom: 1px solid var(--line); }
  .site-nav a.is-active::after { display: none; }
  .site-nav .nav-cta { margin-top: 16px; text-align: center; border-bottom: 1px solid var(--accent); }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 12px 22px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: box-shadow 0.25s, background 0.25s, transform 0.25s var(--ease), border-color 0.25s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #031418; font-weight: 500; }
.btn-primary:hover { box-shadow: var(--accent-glow); }
.btn-ghost { border-color: var(--line-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: 0.6; cursor: wait; transform: none; }

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--header-h) + 40px) 0 80px;
  position: relative;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 900px) {
  .hero-inner { grid-template-columns: 1.4fr 1fr; gap: 64px; }
}

.terminal-line { color: var(--muted); font-size: 0.9rem; margin-bottom: 20px; }
.terminal-line .prompt { color: var(--accent); }
.terminal-line .flag { color: #c792ea; }

.hero-title {
  font-size: clamp(2.8rem, 9vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-title .accent-text { text-shadow: 0 0 40px rgba(77, 225, 255, 0.35); }

.hero-role {
  font-size: clamp(0.95rem, 2.4vw, 1.15rem);
  color: var(--text);
  min-height: 1.7em;
  margin-bottom: 20px;
}
.role-prefix { color: var(--accent); margin-right: 8px; }
.caret {
  display: inline-block; width: 0.55em; height: 1.1em;
  background: var(--accent); margin-left: 3px;
  vertical-align: -0.15em;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-lead { color: var(--muted); max-width: 54ch; font-size: 1.05rem; }

.hero-meta { font-size: 0.85rem; color: var(--muted); margin: 8px 0 32px; }
.status-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: #3ddc84; margin-right: 10px;
  box-shadow: 0 0 10px #3ddc84;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-photo {
  position: relative;
  width: 160px;
  justify-self: start;
  order: -1;
  margin-left: 12px;
}
@media (min-width: 900px) {
  .hero-photo { width: min(100%, 340px); justify-self: center; order: 0; margin-left: 0; }
}
@media (max-width: 899px) {
  .photo-fallback { font-size: 2.2rem; }
  .hero-role { min-height: 3.4em; }
}
.photo-frame {
  position: relative;
  aspect-ratio: 1;
  border-radius: 50%;
  padding: 6px;
  background: conic-gradient(from 180deg, var(--accent), transparent 30%, transparent 70%, var(--accent));
  box-shadow: 0 0 60px rgba(77, 225, 255, 0.15);
  animation: spin-glow 12s linear infinite;
}
.photo-frame img, .photo-fallback {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: var(--surface);
  animation: spin-glow 12s linear infinite reverse;
}
.photo-frame img { position: absolute; inset: 6px; width: calc(100% - 12px); height: calc(100% - 12px); z-index: 1; }
.photo-fallback {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 4rem; font-weight: 700;
  letter-spacing: 0.1em; color: var(--line-strong);
}
@keyframes spin-glow { to { transform: rotate(360deg); } }

.photo-corner {
  position: absolute; width: 28px; height: 28px;
  border-color: var(--accent); border-style: solid; opacity: 0.6;
}
.photo-corner.tl { top: -12px; left: -12px; border-width: 1px 0 0 1px; }
.photo-corner.br { bottom: -12px; right: -12px; border-width: 0 1px 1px 0; }

.scroll-hint {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  font-size: 0.75rem; color: var(--muted); letter-spacing: 0.15em;
  animation: float 2.4s ease-in-out infinite;
}
@keyframes float { 50% { transform: translate(-50%, 6px); } }
@media (max-height: 700px) { .scroll-hint { display: none; } }

/* ===== Sections ===== */
.section { padding: 96px 0; border-top: 1px solid var(--line); }
@media (min-width: 768px) { .section { padding: 128px 0; } }

.section-label { color: var(--accent); font-size: 0.85rem; margin-bottom: 8px; letter-spacing: 0.1em; }
.section-title { font-size: clamp(2rem, 5vw, 2.8rem); font-weight: 600; margin-bottom: 48px; }
.section-intro { color: var(--muted); margin: -32px 0 40px; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s var(--ease);
}
a.card:hover, .skill-card:hover {
  border-color: rgba(77, 225, 255, 0.5);
  box-shadow: 0 0 0 1px rgba(77, 225, 255, 0.1), 0 12px 40px -12px rgba(77, 225, 255, 0.2);
}
a.card:hover { transform: translateY(-4px); }

/* About */
.about-grid { display: grid; gap: 40px; }
@media (min-width: 900px) { .about-grid { grid-template-columns: 1.5fr 1fr; gap: 64px; } }
.about-text p { color: var(--muted); font-size: 1.05rem; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-content: start; }
.stat {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; background: var(--surface);
  display: flex; flex-direction: column; gap: 4px;
}
.stat-value { font-family: var(--font-head); font-size: 1.6rem; font-weight: 600; color: var(--accent); }
.stat-label { font-size: 0.8rem; color: var(--muted); font-family: var(--font-mono); }

/* Skills */
.skills-grid { display: grid; gap: 16px; }
@media (min-width: 640px) { .skills-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .skills-grid { grid-template-columns: repeat(3, 1fr); } }
.skill-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 18px; }
.skill-card h3 .mono { font-size: 0.85rem; margin-right: 6px; }
.tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li {
  font-family: var(--font-mono); font-size: 0.78rem;
  padding: 5px 10px; border-radius: 6px;
  border: 1px solid var(--line-strong); color: var(--text);
  background: var(--surface-2);
}

/* Timeline */
.timeline { list-style: none; margin: 0; padding: 0 0 0 28px; position: relative; max-width: 760px; }
.timeline::before {
  content: ""; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 1px;
  background: linear-gradient(var(--accent), var(--line) 40%);
}
.timeline-item { position: relative; padding-bottom: 48px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute; left: -28px; top: 6px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg); border: 1px solid var(--line-strong);
}
.timeline-dot.is-current { background: var(--accent); border-color: var(--accent); box-shadow: var(--accent-glow); }
.timeline-date { font-size: 0.8rem; color: var(--accent); margin-bottom: 6px; letter-spacing: 0.05em; }
.timeline-item h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 8px; }
.timeline-item p:last-child { color: var(--muted); margin: 0; }

/* Zertifikate */
.certs-grid { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .certs-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .certs-grid { grid-template-columns: repeat(4, 1fr); } }
.cert {
  display: flex; align-items: center; gap: 14px;
  padding: 16px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface);
}
.cert p { margin: 0; font-size: 0.92rem; }
.cert-icon {
  flex-shrink: 0; min-width: 52px; height: 40px; padding: 0 6px;
  display: grid; place-items: center;
  font-size: 0.72rem; font-weight: 500; color: var(--accent);
  background: var(--accent-dim); border-radius: 8px;
}

/* Projekte */
.projects-grid { display: grid; gap: 16px; }
@media (min-width: 720px) { .projects-grid { grid-template-columns: repeat(3, 1fr); } }
.project-card { display: flex; flex-direction: column; }
.project-head { display: flex; justify-content: space-between; align-items: center; color: var(--accent); margin-bottom: 20px; }
.project-arrow { color: var(--muted); transition: color 0.2s, transform 0.3s var(--ease); }
.project-card:hover .project-arrow { color: var(--accent); transform: translate(3px, -3px); }
.project-card h3 { font-size: 1rem; font-weight: 500; margin-bottom: 10px; word-break: break-word; }
.project-card p { color: var(--muted); font-size: 0.92rem; }
.project-lang { margin: auto 0 0 !important; font-size: 0.8rem; display: flex; align-items: center; gap: 8px; }
.lang-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.lang-csharp { background: #178600; }
.lang-kotlin { background: #a97bff; }
.project-more {
  align-items: flex-start; justify-content: center;
  border-style: dashed; background: transparent;
}
.project-more .icon { color: var(--text); margin-bottom: 16px; }
.project-more h3 { font-family: var(--font-head); font-size: 1.15rem; }
.project-more p { margin: 0; }

/* Abseits der Konsole */
.offline-grid { display: grid; gap: 32px; align-items: center; }
@media (min-width: 900px) { .offline-grid { grid-template-columns: 1.3fr 1fr; gap: 64px; } }
.offline-grid > p { color: var(--muted); font-size: 1.05rem; margin: 0; }
.offline-links { display: grid; gap: 12px; }
.social-card { display: flex; align-items: center; gap: 16px; padding: 20px 24px; }
.social-card .icon { color: var(--accent); }
.social-card span { display: flex; flex-direction: column; line-height: 1.4; }
.social-card .muted { font-size: 0.82rem; }

/* Kontakt */
.contact-grid { display: grid; gap: 40px; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1.2fr; gap: 64px; } }
.contact-info p { color: var(--muted); font-size: 1.05rem; }
.contact-mail {
  display: inline-block; font-size: clamp(1rem, 3vw, 1.2rem);
  color: var(--accent); margin: 8px 0 28px;
  border-bottom: 1px solid rgba(77, 225, 255, 0.3);
  word-break: break-all;
}
.contact-mail:hover { border-bottom-color: var(--accent); }
.socials { list-style: none; padding: 0; margin: 0; display: flex; gap: 10px; }
.socials a {
  display: grid; place-items: center; width: 44px; height: 44px;
  border: 1px solid var(--line-strong); border-radius: 10px; color: var(--muted);
  transition: color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.socials a:hover { color: var(--accent); border-color: var(--accent); box-shadow: var(--accent-glow); }

.contact-form { display: grid; gap: 18px; }
.field { display: grid; gap: 6px; }
.field label { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); }
.field input, .field textarea {
  width: 100%;
  font: inherit; color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 12px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim);
}
.field.has-error input, .field.has-error textarea { border-color: #ff6b6b; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-note { font-size: 0.78rem; color: var(--muted); margin: 0; }
.form-note a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
.contact-form .btn { justify-self: start; }
.form-status { font-size: 0.85rem; margin: 0; min-height: 1.4em; }
.form-status.is-success { color: #3ddc84; }
.form-status.is-error { color: #ff6b6b; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; }
.footer-inner {
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between;
  font-size: 0.8rem; color: var(--muted);
}
.footer-nav { display: flex; gap: 20px; }
.footer-nav a:hover { color: var(--accent); }

/* Unterseiten (Impressum/Datenschutz) */
.legal { padding: calc(var(--header-h) + 64px) 0 96px; }
.legal .container { max-width: 760px; }
.legal h1 { font-size: clamp(2rem, 5vw, 2.6rem); margin-bottom: 32px; }
.legal h2 { font-size: 1.2rem; margin: 40px 0 12px; }
.legal p, .legal li { color: var(--muted); }
.legal a { color: var(--accent); }
.back-link { display: inline-block; margin-bottom: 24px; color: var(--muted); font-size: 0.85rem; }
.back-link:hover { color: var(--accent); }

/* ===== Scroll-Reveal ===== */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}