/* ============================================================
   JOEY RZEPKA — PORTFOLIO
   Art direction: ruhig, seriös, menschlich
   Palette: warmes Dunkelbraun (Standard) + kühles Dunkel (Dark-Toggle)
   Fonts: Zodiak (Display) + General Sans (Body)
   ============================================================ */

/* ---------- DESIGN TOKENS ---------- */
:root, [data-theme="light"] {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2.2rem,   1.2rem  + 2.8vw,  4.4rem);

  --space-1:.25rem;  --space-2:.5rem;   --space-3:.75rem;
  --space-4:1rem;    --space-5:1.25rem; --space-6:1.5rem;
  --space-8:2rem;    --space-10:2.5rem; --space-12:3rem;
  --space-16:4rem;   --space-20:5rem;   --space-24:6rem;

  /* Warmes Dunkelbraun — dezent, matt */
  --color-bg:              #2a2420;
  --color-surface:         #302b27;
  --color-surface-2:       #362f2b;
  --color-surface-offset:  #251f1c;
  --color-border:          #4a403a;
  --color-divider:         #3d3530;
  --color-text:            #e8e2db;
  --color-text-muted:      #a89f96;
  --color-text-faint:      #6e6460;
  --color-text-inverse:    #1e1a17;
  --color-primary:         #7ab8bf;
  --color-primary-hover:   #5aa3ab;
  --color-primary-hl:      #1e3538;
  --color-secondary:       #8aabcc;
  --shadow-sm: 0 1px 3px oklch(0.1 0.01 60 / 0.18);
  --shadow-md: 0 6px 24px oklch(0.1 0.01 60 / 0.22);
  --shadow-lg: 0 18px 48px oklch(0.1 0.01 60 / 0.3);
  --radius-sm:.5rem; --radius-md:.85rem; --radius-lg:1.25rem;
  --radius-xl:1.75rem; --radius-full:999px;
  --content-width:1180px;
  --font-body:'General Sans',Inter,sans-serif;
  --font-display:'Zodiak',Georgia,serif;
  --transition:180ms cubic-bezier(0.16,1,0.3,1);
}

[data-theme="dark"] {
  --color-bg:#111315; --color-surface:#171a1c; --color-surface-2:#1d2125;
  --color-surface-offset:#23282d; --color-border:#2f353a; --color-divider:#2b3034;
  --color-text:#e4dfd5; --color-text-muted:#b0aaa0; --color-text-faint:#7a7670;
  --color-text-inverse:#111315; --color-primary:#56a7b0; --color-primary-hover:#74bec7;
  --color-primary-hl:#1e343a; --color-secondary:#7aa0cc;
  --shadow-sm:0 1px 2px oklch(0 0 0/.24); --shadow-md:0 8px 28px oklch(0 0 0/.3);
  --shadow-lg:0 20px 50px oklch(0 0 0/.4);
}

@media (prefers-color-scheme:dark) {
  :root:not([data-theme="light"]) {
    --color-bg:#111315; --color-surface:#171a1c; --color-surface-2:#1d2125;
    --color-surface-offset:#23282d; --color-border:#2f353a; --color-divider:#2b3034;
    --color-text:#e4dfd5; --color-text-muted:#b0aaa0; --color-text-faint:#7a7670;
    --color-text-inverse:#111315; --color-primary:#56a7b0; --color-primary-hover:#74bec7;
    --color-primary-hl:#1e343a; --color-secondary:#7aa0cc;
    --shadow-sm:0 1px 2px oklch(0 0 0/.24); --shadow-md:0 8px 28px oklch(0 0 0/.3);
    --shadow-lg:0 20px 50px oklch(0 0 0/.4);
  }
}

/* ---------- BASE ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;scroll-padding-top:5.5rem;-webkit-text-size-adjust:none;text-size-adjust:none;}
body{
  min-height:100dvh; font-family:var(--font-body); font-size:var(--text-base);
  line-height:1.65; color:var(--color-text); background-color:var(--color-bg);
  background-image:
    radial-gradient(ellipse at 0% 0%,color-mix(in oklab,var(--color-primary) 7%,transparent),transparent 42%),
    radial-gradient(ellipse at 100% 100%,color-mix(in oklab,var(--color-secondary) 5%,transparent),transparent 42%);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%;}
ul[role="list"]{list-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
h1,h2,h3,h4{text-wrap:balance;line-height:1.1;}
p,li{text-wrap:pretty;}
::selection{background:color-mix(in oklab,var(--color-primary) 22%,transparent);}
:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;border-radius:var(--radius-sm);}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}}

/* ---------- UTILS ---------- */
.skip-link{position:absolute;left:1rem;top:-4rem;z-index:20;background:var(--color-text);color:var(--color-text-inverse);padding:.75rem 1rem;border-radius:var(--radius-md);transition:top var(--transition);}
.skip-link:focus{top:1rem;}
.container{width:min(calc(100% - 2rem),var(--content-width));margin-inline:auto;}
.eyebrow{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.18em;color:var(--color-text-muted);margin-bottom:var(--space-3);}

/* ---------- NAV ---------- */
.site-header{position:sticky;top:0;z-index:10;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);background:color-mix(in oklab,var(--color-bg) 82%,transparent);border-bottom:1px solid color-mix(in oklab,var(--color-text) 8%,transparent);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);min-height:4.5rem;}
.brand{display:inline-flex;align-items:center;gap:.85rem;font-size:var(--text-sm);font-weight:600;letter-spacing:.02em;flex-shrink:0;}
.brand-mark{width:2.4rem;height:2.4rem;border-radius:.8rem;display:grid;place-items:center;background:linear-gradient(135deg,var(--color-primary-hl),color-mix(in oklab,var(--color-primary) 14%,var(--color-surface)));color:var(--color-primary);box-shadow:inset 0 0 0 1px color-mix(in oklab,var(--color-primary) 18%,transparent);}
.nav-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.3rem;}
.nav-links a{padding:.55rem .8rem;font-size:var(--text-sm);color:var(--color-text-muted);border-radius:var(--radius-full);transition:background var(--transition),color var(--transition);}
.nav-links a:hover,.nav-links a.active{color:var(--color-text);background:color-mix(in oklab,var(--color-text) 7%,transparent);}
.nav-actions{display:flex;align-items:center;gap:.6rem;}
.theme-toggle{width:3.4rem;height:2rem;border-radius:var(--radius-full);padding:.2rem;display:inline-flex;align-items:center;background:var(--color-surface-2);border:1px solid color-mix(in oklab,var(--color-text) 10%,transparent);transition:background var(--transition);}
.theme-toggle-thumb{width:1.5rem;height:1.5rem;border-radius:50%;background:var(--color-primary);display:grid;place-items:center;color:var(--color-text-inverse);transform:translateX(0);transition:transform var(--transition),background var(--transition);box-shadow:var(--shadow-sm);}
[data-theme="dark"] .theme-toggle-thumb{transform:translateX(1.35rem);}

/* ---------- CARD ---------- */
.card-base{background:color-mix(in oklab,var(--color-surface) 92%,transparent);border:1px solid color-mix(in oklab,var(--color-text) 9%,transparent);box-shadow:var(--shadow-md);}

/* ---------- HERO ---------- */
.hero{padding:clamp(3.5rem,7vw,6.5rem) 0 var(--space-20);}
.hero-grid{display:grid;grid-template-columns:1.3fr 0.9fr;gap:var(--space-8);align-items:stretch;}
.hero-copy{border-radius:var(--radius-xl);padding:clamp(1.8rem,4vw,2.8rem);display:flex;flex-direction:column;justify-content:space-between;min-height:32rem;}
h1{font-family:var(--font-display);font-size:var(--text-2xl);font-weight:700;letter-spacing:-.03em;line-height:1.05;max-width:16ch;margin-bottom:var(--space-5);margin-top:var(--space-2);}
.lead{max-width:60ch;color:var(--color-text-muted);margin-bottom:var(--space-8);}
.lead strong{color:var(--color-text);font-weight:600;}
.cta-row{display:flex;flex-wrap:wrap;gap:.8rem;}
.btn{min-height:2.85rem;padding:.75rem 1.3rem;border-radius:var(--radius-full);display:inline-flex;align-items:center;gap:.5rem;font-size:var(--text-sm);font-weight:600;transition:transform var(--transition),background var(--transition),color var(--transition);}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--color-primary);color:var(--color-text-inverse);}
.btn-primary:hover{background:var(--color-primary-hover);}
.btn-secondary{border:1px solid color-mix(in oklab,var(--color-text) 13%,transparent);background:color-mix(in oklab,var(--color-surface-2) 88%,transparent);}
.btn-secondary:hover{background:color-mix(in oklab,var(--color-text) 6%,transparent);}
.hero-meta{margin-top:var(--space-10);display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4);}
.hero-meta div{padding-top:var(--space-4);border-top:1px solid color-mix(in oklab,var(--color-text) 10%,transparent);}
.hero-meta dt{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.13em;color:var(--color-text-faint);}
.hero-meta dd{margin-top:.3rem;font-size:var(--text-sm);}
.hero-card{border-radius:var(--radius-xl);padding:clamp(1.4rem,3vw,2rem);display:grid;gap:var(--space-4);align-content:start;}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--space-3);}
.tag-list,.quick-links{display:flex;flex-wrap:wrap;gap:.45rem;}
.tag{padding:.4rem .75rem;border-radius:var(--radius-full);font-size:var(--text-xs);background:color-mix(in oklab,var(--color-primary) 9%,var(--color-surface));color:var(--color-text);border:1px solid color-mix(in oklab,var(--color-primary) 13%,transparent);}
.quick-link{padding:.4rem .75rem;border-radius:var(--radius-full);font-size:var(--text-xs);background:color-mix(in oklab,var(--color-text) 5%,transparent);border:1px solid color-mix(in oklab,var(--color-text) 9%,transparent);color:var(--color-text-muted);transition:background var(--transition),color var(--transition);}
.quick-link:hover{background:color-mix(in oklab,var(--color-text) 10%,transparent);color:var(--color-text);}
.status-card{padding:1rem;border-radius:var(--radius-lg);background:var(--color-surface-2);border:1px solid color-mix(in oklab,var(--color-text) 9%,transparent);}
.status-card small{display:block;font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.14em;color:var(--color-text-faint);margin-bottom:.35rem;}
.status-card p{font-size:var(--text-sm);color:var(--color-text-muted);}

/* ---------- SECTION HEADING ---------- */
section{padding:clamp(3rem,6vw,5.5rem) 0;}

/* 2-Spalten-Layout: Heading links, Subtitle rechts als Card */
.section-heading-simple {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  align-items: end;
  gap: var(--space-4) var(--space-10);
  margin-bottom: var(--space-8);
}

.section-heading-simple .eyebrow {
  grid-column: 1;
  grid-row: 1;
  margin-bottom: 0;
}

.section-heading-simple h2 {
  grid-column: 1;
  grid-row: 2;
  margin-top: 0;
}

/* section-lead: rechte Spalte, über beide Zeilen, Card-Optik */
.section-lead {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: end;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.65;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  max-width: 100%;
}

h2{font-family:var(--font-display);font-size:var(--text-xl);font-weight:700;letter-spacing:-.03em;}
.section-panel{border-radius:var(--radius-xl);padding:clamp(1.5rem,3vw,2.2rem);}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:var(--space-6);}
.story-copy p+p{margin-top:var(--space-4);}
.story-copy p{color:var(--color-text-muted);max-width:68ch;}
.story-copy strong{color:var(--color-text);font-weight:600;}
.callout-list{display:grid;gap:var(--space-4);align-content:start;}
.callout-item{padding:1.1rem;border-radius:var(--radius-lg);background:color-mix(in oklab,var(--color-text) 4%,transparent);border:1px solid color-mix(in oklab,var(--color-text) 9%,transparent);}
.callout-item strong{display:block;font-size:var(--text-sm);margin-bottom:.3rem;}
.callout-item span{color:var(--color-text-muted);font-size:var(--text-sm);}

/* PROJECTS */
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-5);}
.project-card{border-radius:var(--radius-xl);padding:1.4rem;background:color-mix(in oklab,var(--color-surface) 90%,transparent);border:1px solid color-mix(in oklab,var(--color-text) 9%,transparent);display:grid;gap:var(--space-3);align-content:start;min-height:15rem;transition:box-shadow var(--transition),transform var(--transition);}
.project-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.project-index{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.13em;color:var(--color-text-faint);}
.project-card h3{font-size:var(--text-base);font-weight:700;line-height:1.2;}
.project-card p{color:var(--color-text-muted);font-size:var(--text-sm);}
.project-stack{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:auto;padding-top:var(--space-3);}
.project-stack span{font-size:var(--text-xs);padding:.3rem .6rem;border-radius:var(--radius-full);background:var(--color-surface-2);border:1px solid color-mix(in oklab,var(--color-text) 8%,transparent);}

/* GITHUB */
.repos-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-5);}
.repo-card{border-radius:var(--radius-xl);padding:1.4rem;background:color-mix(in oklab,var(--color-surface) 90%,transparent);border:1px solid color-mix(in oklab,var(--color-text) 9%,transparent);display:grid;gap:var(--space-3);align-content:start;min-height:12rem;transition:box-shadow var(--transition),transform var(--transition);}
.repo-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.repo-top{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--space-3);}
.repo-meta{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.12em;color:var(--color-text-faint);}
.repo-stars{font-size:var(--text-xs);color:var(--color-text-faint);}
.repo-card h3{font-size:var(--text-base);font-weight:700;line-height:1.2;}
.repo-card p{color:var(--color-text-muted);font-size:var(--text-sm);}
.repo-updated{font-size:var(--text-xs);color:var(--color-text-faint);}
.repo-link{font-size:var(--text-sm);font-weight:600;color:var(--color-primary);}
.repo-link:hover{color:var(--color-primary-hover);}
.loading{font-size:var(--text-sm);color:var(--color-text-faint);}
.error-msg{font-size:var(--text-sm);color:#c25b71;}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:var(--space-6);}
.contact-card{border-radius:var(--radius-xl);padding:1.5rem;background:color-mix(in oklab,var(--color-surface) 90%,transparent);border:1px solid color-mix(in oklab,var(--color-text) 9%,transparent);}
.contact-card h3{font-size:var(--text-lg);font-weight:600;margin-bottom:var(--space-4);}
.contact-stack{display:grid;gap:var(--space-3);}
.contact-line{display:flex;justify-content:space-between;align-items:center;gap:var(--space-4);padding-bottom:var(--space-3);border-bottom:1px solid color-mix(in oklab,var(--color-text) 7%,transparent);}
.contact-line:last-child{border-bottom:none;padding-bottom:0;}
.contact-label{font-size:var(--text-sm);color:var(--color-text-muted);}
.contact-line a{font-size:var(--text-sm);color:var(--color-primary);transition:color var(--transition);}
.contact-line a:hover{color:var(--color-primary-hover);}

/* FOOTER */
.site-footer{padding:var(--space-10) 0 var(--space-12);border-top:1px solid color-mix(in oklab,var(--color-text) 8%,transparent);}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:var(--space-4);font-size:var(--text-sm);color:var(--color-text-faint);}
.footer-inner a{color:var(--color-primary);transition:color var(--transition);}
.footer-inner a:hover{color:var(--color-primary-hover);}

/* ---------- RESPONSIVE ---------- */
@media(max-width:1080px){
  .hero-grid,.about-grid,.contact-grid{grid-template-columns:1fr;}
  .projects-grid,.repos-grid{grid-template-columns:repeat(2,1fr);}
  .hero-copy{min-height:auto;}
  .section-heading-simple{grid-template-columns:1fr;grid-template-rows:auto;}
  .section-heading-simple .eyebrow{grid-row:auto;grid-column:1;}
  .section-heading-simple h2{grid-row:auto;grid-column:1;}
  .section-lead{grid-column:1;grid-row:auto;}
}
@media(max-width:760px){
  .nav-bar{flex-wrap:wrap;padding:.6rem 0;}
  .nav-links{order:3;width:100%;overflow-x:auto;padding-bottom:.2rem;}
  .hero-meta{grid-template-columns:repeat(2,1fr);}
  .projects-grid,.repos-grid{grid-template-columns:1fr;}
  .cta-row{flex-direction:column;}
  .btn{justify-content:center;}
  h1{max-width:100%;}
  .footer-inner{flex-direction:column;align-items:flex-start;gap:var(--space-2);}
  .section-heading-simple{grid-template-columns:1fr;grid-template-rows:auto;}
  .section-heading-simple .eyebrow{grid-row:auto;grid-column:1;}
  .section-heading-simple h2{grid-row:auto;grid-column:1;}
  .section-lead{grid-column:1;grid-row:auto;}
}