/* ═══════════════════════════════════════════
   Martin Pechstein — Shared Stylesheet
   styles.css · alle drei Seiten
═══════════════════════════════════════════ */

/* ── BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --cyan:    #00C4CC;
  --magenta: #E8175D;
  --yellow:  #FFD600;
  --orange:  #FF6B00;
  --green:   #3DBD6A;
  --blue:    #3A5BFF;
  --red:     #FF2D2D;
  --ink:     #111111;
  --paper:   #FAFAFA;
}

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Syne', sans-serif;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--paper);
  border-bottom: 2.5px solid var(--ink);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 3rem; height: 64px;
}
.nav-logo {
  text-decoration: none; color: var(--ink);
  font-size: .85rem; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase;
}
.nav-links { display: flex; gap: 2.5rem; }
.nav-links a {
  font-size: .78rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; text-decoration: none; color: var(--ink);
  transition: color .2s;
}
.nav-links a:hover { color: var(--magenta); }
.nav-back {
  display: flex; align-items: center; gap: .5rem;
  text-decoration: none; color: var(--ink);
  font-family: 'Space Mono', monospace;
  font-size: .72rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; transition: color .2s;
}
.nav-back:hover { color: var(--magenta); }

/* ── FOOTER ── */
footer {
  background: var(--paper);
  border-top: 2.5px solid var(--ink);
  padding: 1.5rem 3rem;
  display: flex; align-items: center; justify-content: space-between;
}
footer span, footer a {
  font-family: 'Space Mono', monospace;
  font-size: .65rem; letter-spacing: .15em; text-transform: uppercase;
  color: #888; text-decoration: none;
}
footer a:hover { color: var(--magenta); }
.footer-links { display: flex; gap: 1.5rem; }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: none; }


/* ═══════════════════════════════════════════
   INDEX PAGE
═══════════════════════════════════════════ */

/* ── HERO ── */
#hero {
  margin-top: 64px;
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 2.5px solid var(--ink);
  overflow: hidden;
}

.hero-left {
  padding: 5rem 4rem;
  display: flex; flex-direction: column; justify-content: space-between;
  border-right: 2.5px solid var(--ink);
  position: relative; overflow: hidden;
}
.hero-left::after {
  content: '';
  position: absolute; bottom: -80px; left: -60px;
  width: 340px; height: 340px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: .18;
  pointer-events: none;
}

.hero-eyebrow {
  font-family: 'Space Mono', monospace;
  font-size: .72rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--magenta);
  animation: fadeUp .6s ease both;
}

/* Fix: Schriftgröße reduziert damit "Pechstein" nicht in die Kacheln läuft */
.hero-name {
  font-size: clamp(3rem, 5vw, 5.5rem);
  font-weight: 800; line-height: .92;
  letter-spacing: -.02em;
  overflow-wrap: break-word;
  animation: fadeUp .7s .1s ease both;
}
.hero-name span { display: block; }
.hero-name .accent { color: var(--magenta); }

.hero-tagline {
  font-size: 1.15rem; font-weight: 400; line-height: 1.5;
  max-width: 380px; color: #333;
  animation: fadeUp .7s .2s ease both;
}

.hero-cta {
  display: inline-flex; align-items: center; gap: .75rem;
  background: var(--ink); color: var(--paper);
  font-family: 'Space Mono', monospace;
  font-size: .78rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; text-decoration: none;
  padding: 1rem 2rem; border: 2.5px solid var(--ink);
  transition: background .2s, color .2s;
  width: fit-content;
  animation: fadeUp .7s .3s ease both;
}
.hero-cta:hover { background: var(--magenta); border-color: var(--magenta); }
.hero-cta svg { transition: transform .2s; }
.hero-cta:hover svg { transform: translateX(4px); }

/* ── HERO RIGHT: Kacheln ── */
.hero-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
}

.tile {
  border-left: 2.5px solid var(--ink);
  border-bottom: 2.5px solid var(--ink);
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.tile:nth-child(odd) { border-left: none; }

.tile-shape {
  position: absolute;
  border-radius: 50%;
  opacity: .85;
  transition: transform .4s ease;
}
.tile:hover .tile-shape { transform: scale(1.08); }

.t1 { background: var(--cyan); }
.t1 .tile-shape { width: 160%; height: 160%; top: -20%; left: -30%; background: var(--cyan); border-radius: 40% 60% 60% 40% / 50% 50% 50% 50%; }

.t2 { background: var(--yellow); }
.t2 .tile-shape { width: 140%; height: 130%; top: 10%; left: -10%; background: var(--yellow); border-radius: 0 0 60% 0; }

.t3 { background: var(--magenta); }
.t3 .tile-shape { width: 200%; height: 200%; top: -50%; left: -50%; background: var(--magenta); border-radius: 0 60% 60% 0; }

.t4 { background: var(--orange); }
.t4 .tile-shape { width: 160%; height: 100%; top: 0; left: -30%; background: var(--orange); border-radius: 50% 0 0 50%; }

.t5 { background: var(--green); }
.t5 .tile-shape { width: 130%; height: 160%; top: -30%; left: 10%; background: var(--green); border-radius: 60% 40% 40% 60% / 40% 40% 60% 60%; }

.t6 { background: var(--blue); }
.t6 .tile-shape { width: 160%; height: 160%; bottom: -30%; right: -30%; background: var(--blue); border-radius: 50%; }

/* Fix: Kachel-Beschriftung größer */
.tile-label {
  position: relative; z-index: 2;
  font-family: 'Space Mono', monospace;
  font-size: .88rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: rgba(255,255,255,.9);
  text-align: center; padding: 1rem;
  mix-blend-mode: screen;
}

/* ── SCROLLING BAND ── */
.band {
  background: var(--ink); color: var(--paper);
  padding: 1.4rem 3rem;
  display: flex; align-items: center; gap: 3rem;
  overflow: hidden; white-space: nowrap;
  border-bottom: 2.5px solid var(--ink);
}
.band-track {
  display: flex; gap: 3rem;
  animation: scroll 20s linear infinite;
}
.band-item {
  font-family: 'Space Mono', monospace;
  font-size: .75rem; letter-spacing: .18em; text-transform: uppercase;
  display: flex; align-items: center; gap: 1.2rem; flex-shrink: 0;
}
.band-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* ── ABOUT ── */
#about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 2.5px solid var(--ink);
}
.about-text {
  padding: 5rem 4rem;
  border-right: 2.5px solid var(--ink);
}
.section-label {
  font-family: 'Space Mono', monospace;
  font-size: .7rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--magenta); margin-bottom: 2rem;
}
.about-text h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -.02em; margin-bottom: 1.8rem;
}
.about-text p {
  font-size: 1rem; line-height: 1.7; color: #333;
  margin-bottom: 1.2rem; font-weight: 400;
}
.about-text strong { color: var(--ink); font-weight: 700; }

.about-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}
.av-cell {
  border-left: 2.5px solid var(--ink);
  border-bottom: 2.5px solid var(--ink);
  padding: 2.5rem 2rem;
  display: flex; flex-direction: column; justify-content: flex-end;
  position: relative; overflow: hidden;
}
.av-cell:nth-child(1) { border-left: none; }
.av-cell:nth-child(3) { border-bottom: none; border-left: none; }
.av-cell:nth-child(4) { border-bottom: none; }
.av-num {
  font-size: 4rem; font-weight: 800; line-height: 1; margin-bottom: .4rem;
}
.av-desc {
  font-family: 'Space Mono', monospace;
  font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: #555;
}
.av-cell.c-cyan   { background: var(--cyan); }
.av-cell.c-yellow { background: var(--yellow); }
.av-cell.c-mag    { background: var(--magenta); color: white; }
.av-cell.c-mag .av-desc { color: rgba(255,255,255,.75); }
.av-cell.c-green  { background: var(--green); }

/* ── SKILLS ── */
#skills { border-bottom: 2.5px solid var(--ink); }
.skills-header {
  padding: 3.5rem 4rem 2rem;
  border-bottom: 2.5px solid var(--ink);
  display: flex; align-items: baseline; gap: 2rem;
}
.skills-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800; letter-spacing: -.02em;
}
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; }
.skill-col { padding: 3rem 4rem; }
.skill-col:first-child { border-right: 2.5px solid var(--ink); }
.skill-col-title {
  font-family: 'Space Mono', monospace;
  font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; margin-bottom: 2rem;
}
.skill-col:first-child .skill-col-title { color: var(--cyan); }
.skill-col:last-child  .skill-col-title { color: var(--magenta); }
.skill-tag {
  display: inline-flex; align-items: center; gap: .5rem;
  border: 2px solid var(--ink);
  padding: .45rem 1rem;
  font-size: .78rem; font-weight: 700; letter-spacing: .06em;
  margin: 0 .5rem .6rem 0;
  transition: background .15s, color .15s; cursor: default;
}
.skill-col:first-child .skill-tag:hover { background: var(--cyan); border-color: var(--cyan); }
.skill-col:last-child  .skill-tag:hover { background: var(--magenta); border-color: var(--magenta); color: white; }

/* ── PROJECTS ── */
#projects { border-bottom: 2.5px solid var(--ink); }
.projects-header {
  padding: 3.5rem 4rem 2rem;
  border-bottom: 2.5px solid var(--ink);
}
.projects-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800; letter-spacing: -.02em;
}
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.project-card {
  border-right: 2.5px solid var(--ink);
  padding: 0; overflow: hidden;
}
.project-card:last-child { border-right: none; }
.project-card-top {
  height: 200px; position: relative; overflow: hidden;
  border-bottom: 2.5px solid var(--ink);
}
.project-card-bg {
  position: absolute; inset: 0;
  transition: transform .4s ease;
}
.project-card:hover .project-card-bg { transform: scale(1.06); }
.project-card-body { padding: 2rem 2rem 2.5rem; }
.project-num {
  font-family: 'Space Mono', monospace;
  font-size: .7rem; color: #999; letter-spacing: .15em; margin-bottom: .6rem;
}
.project-card-body h3 {
  font-size: 1.2rem; font-weight: 800; letter-spacing: -.01em;
  margin-bottom: .6rem; line-height: 1.2;
}
.project-card-body p { font-size: .88rem; color: #444; line-height: 1.55; }

/* ── CONTACT ── */
#contact { display: grid; grid-template-columns: 1fr 1fr; }
.contact-left {
  padding: 5rem 4rem;
  border-right: 2.5px solid var(--ink);
}
.contact-left h2 {
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 800; line-height: .95;
  letter-spacing: -.03em; margin-bottom: 2rem;
}
.contact-left h2 em { font-style: normal; color: var(--magenta); }
.contact-left p { font-size: 1rem; color: #333; line-height: 1.6; max-width: 380px; }

.contact-right {
  padding: 5rem 4rem;
  background: var(--ink); color: var(--paper);
  display: flex; flex-direction: column; justify-content: space-between;
}
.contact-link {
  display: flex; align-items: center; justify-content: space-between;
  text-decoration: none; color: var(--paper);
  border-bottom: 1.5px solid rgba(255,255,255,.15);
  padding: 1.5rem 0;
  font-size: 1rem; font-weight: 700; letter-spacing: .02em;
  transition: color .2s;
}
.contact-link:hover { color: var(--cyan); }
.contact-link .arrow { font-size: 1.2rem; }
.contact-footer {
  font-family: 'Space Mono', monospace;
  font-size: .65rem; letter-spacing: .15em; text-transform: uppercase;
  color: rgba(255,255,255,.35);
}


/* ═══════════════════════════════════════════
   LEGAL PAGES (Impressum & Datenschutz)
═══════════════════════════════════════════ */

.page-hero {
  margin-top: 64px;
  border-bottom: 2.5px solid var(--ink);
  display: grid; grid-template-columns: 1fr 1fr;
  min-height: 220px;
}
.page-hero-left {
  padding: 3.5rem 4rem;
  border-right: 2.5px solid var(--ink);
  display: flex; flex-direction: column; justify-content: flex-end;
}
.page-eyebrow {
  font-family: 'Space Mono', monospace;
  font-size: .7rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--magenta);
  margin-bottom: 1rem;
}
.page-title {
  font-size: clamp(2rem, 4.5vw, 4.5rem);
  font-weight: 800; line-height: .95; letter-spacing: -.03em;
}
.page-hero-right {
  display: grid; grid-template-columns: 1fr 1fr;
}
.ph-tile {
  border-left: 2.5px solid var(--ink);
  border-bottom: 2.5px solid var(--ink);
}

.content-wrap {
  display: grid; grid-template-columns: 280px 1fr;
  min-height: calc(100vh - 64px - 220px - 64px);
}
.content-sidebar {
  border-right: 2.5px solid var(--ink);
  padding: 3rem 2.5rem;
  position: sticky; top: 64px; align-self: start;
}
.sidebar-label {
  font-family: 'Space Mono', monospace;
  font-size: .65rem; letter-spacing: .2em; text-transform: uppercase;
  color: #888; margin-bottom: 1.5rem;
}
.sidebar-nav a {
  display: block;
  font-family: 'Space Mono', monospace;
  font-size: .7rem; letter-spacing: .1em;
  text-transform: uppercase; text-decoration: none; color: #555;
  padding: .48rem 0;
  border-bottom: 1px solid #eee;
  transition: color .15s;
}
.sidebar-nav a:hover { color: var(--magenta); }

.content-main { padding: 4rem 5rem; max-width: 800px; }

.content-section {
  margin-bottom: 3.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1.5px solid #eee;
}
.content-section:last-child { border-bottom: none; }
.content-section h2 {
  font-size: 1.4rem; font-weight: 800; letter-spacing: -.01em;
  margin-bottom: 1.2rem;
  display: flex; align-items: center; gap: .75rem;
}
.content-section h3 {
  font-size: 1rem; font-weight: 700; margin: 1.4rem 0 .6rem;
}
.section-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.content-section p,
.content-section address {
  font-size: .95rem; line-height: 1.75; color: #333;
  font-style: normal;
}
.content-section p + p { margin-top: .8rem; }
.content-section a { color: var(--magenta); text-decoration: none; }
.content-section a:hover { text-decoration: underline; }
.content-section ul {
  margin: .8rem 0 .8rem 1.2rem;
  font-size: .95rem; line-height: 1.75; color: #333;
}
.content-section ul li { margin-bottom: .3rem; }

.highlight-box {
  border: 2.5px solid var(--ink);
  padding: 1.5rem 2rem;
  margin: 1.5rem 0;
  background: #f5f5f5;
}
.highlight-box p { font-size: .9rem; }


/* ═══════════════════════════════════════════
   HAMBURGER MENU
═══════════════════════════════════════════ */

/* Button — desktop: hidden */
.nav-burger {
  display: none;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 4px; width: 36px; height: 36px;
  z-index: 200;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transform-origin: center;
  transition: transform .3s ease, opacity .2s ease, width .3s ease;
}

/* Animated X when open */
.nav-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; width: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Full-screen drawer */
.nav-drawer {
  display: none;
  position: fixed; inset: 64px 0 0 0;
  z-index: 150;
  background: var(--paper);
  border-top: 2.5px solid var(--ink);
  flex-direction: column;
  padding: 2.5rem 1.25rem;
  gap: 0;
  overflow-y: auto;
  /* slide-in animation */
  transform: translateY(-12px);
  opacity: 0;
  transition: transform .25s ease, opacity .25s ease;
  pointer-events: none;
}
.nav-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.nav-drawer a {
  display: block;
  font-family: 'Space Mono', monospace;
  font-size: 1.1rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  text-decoration: none; color: var(--ink);
  padding: 1.1rem 0;
  border-bottom: 1.5px solid #eee;
  transition: color .15s;
}
.nav-drawer a:last-child { border-bottom: none; }
.nav-drawer a:hover, .nav-drawer a:active { color: var(--magenta); }

/* color accent stripe per link */
.nav-drawer a::before {
  content: '';
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: .75rem;
  vertical-align: middle;
  background: var(--magenta);
}
.nav-drawer a:nth-child(1)::before { background: var(--cyan); }
.nav-drawer a:nth-child(2)::before { background: var(--magenta); }
.nav-drawer a:nth-child(3)::before { background: var(--yellow); }
.nav-drawer a:nth-child(4)::before { background: var(--green); }


/* ═══════════════════════════════════════════
   RESPONSIVE — Tablet & runter
═══════════════════════════════════════════ */
@media (max-width: 900px) {

  /* Hamburger ein, Desktop-Links aus */
  .nav-links  { display: none; }
  .nav-burger { display: flex; }
  .nav-drawer { display: flex; }

  /* Layout-Umbrüche */
  #hero, #about, #contact { grid-template-columns: 1fr; }
  .hero-right   { display: none; }
  .about-visual { display: none; }
  .about-text   { border-right: none; }
  .contact-left { border-right: none; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card  { border-right: none; border-bottom: 2.5px solid var(--ink); }
  .skills-grid   { grid-template-columns: 1fr; }
  .skill-col:first-child { border-right: none; border-bottom: 2.5px solid var(--ink); }

  /* Legal */
  .page-hero      { grid-template-columns: 1fr; }
  .page-hero-right { display: none; }
  .content-wrap   { grid-template-columns: 1fr; }
  .content-sidebar { display: none; }

  footer { flex-wrap: wrap; gap: .8rem; }
}

/* ═══════════════════════════════════════════
   MOBILE — iPhone 16 Portrait (≤ 480 px)
═══════════════════════════════════════════ */
@media (max-width: 480px) {
  --gutter: 1rem;

  /* Nav & Footer */
  nav    { padding: 0 1rem; }
  footer { padding: 1.2rem 1rem; }

  /* Hero */
  .hero-left    { padding: 2.8rem 1rem 2.2rem; }
  .hero-name    { font-size: 2.5rem; }
  .hero-tagline { font-size: 1rem; max-width: 100%; }

  /* Band */
  .band { padding: 1rem; }

  /* About */
  .about-text { padding: 2.5rem 1rem; }

  /* Skills */
  .skills-header { padding: 2rem 1rem 1.2rem; }
  .skill-col     { padding: 1.8rem 1rem; }

  /* Projects */
  .projects-header   { padding: 2rem 1rem 1.2rem; }
  .project-card-body { padding: 1.4rem 1rem 1.8rem; }

  /* Contact */
  .contact-left  { padding: 2.5rem 1rem; }
  .contact-right { padding: 2.5rem 1rem; }

  /* Legal */
  .page-hero-left { padding: 2.5rem 1rem; }
  .content-main   { padding: 2rem 1rem; }
}