/* =====================================================================
   STYLE — Juan Roldán Güpner · persönliche Profil-Website
   Seriöses, ruhiges Design für Senior IT-Architekt / CTO-Zielgruppe.
   ===================================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6f9;
  --color-ink: #1a2433;
  --color-ink-soft: #4a5568;
  --color-primary: #1f3864;   /* Akzentfarbe aus dem CV-Master */
  --color-primary-dark: #14233f;
  --color-primary-soft: #e8edf5;
  --color-border: #dfe4ec;
  --color-accent-gold: #b08d57;
  --font-sans: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  --max-width: 1080px;
  --radius: 4px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
}

img { max-width: 100%; display: block; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

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

h1, h2, h3 { font-weight: 600; letter-spacing: -0.01em; color: var(--color-primary); }

section { padding: 72px 0; border-bottom: 1px solid var(--color-border); }
section:last-of-type { border-bottom: none; }

.section-alt { background: var(--color-bg-alt); }

.section-heading {
  font-size: 1.6rem;
  margin: 0 0 8px;
}
.section-sub {
  color: var(--color-ink-soft);
  margin: 0 0 36px;
  font-size: 0.95rem;
}

/* ---------- Header / Nav ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.brand {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.05rem;
  white-space: nowrap;
}
nav.main-nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}
nav.main-nav a {
  color: var(--color-ink);
  font-size: 0.92rem;
  font-weight: 500;
}
nav.main-nav a:hover { color: var(--color-primary); text-decoration: none; }

.lang-switch {
  display: flex;
  gap: 6px;
  margin-left: 20px;
}
.lang-btn {
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 20px;
  padding: 4px 10px 4px 6px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-ink-soft);
}
.lang-btn .flag { font-size: 1rem; line-height: 1; }
.lang-btn.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}
.lang-btn:hover { border-color: var(--color-primary); }

.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 72px;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, #ffffff 100%);
  border-bottom: 1px solid var(--color-border);
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 48px;
}
.hero-photo {
  flex: 0 0 auto;
  width: 168px;
  height: 168px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #fff;
  box-shadow: 0 4px 18px rgba(31, 56, 100, 0.18);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }
.hero-photo .monogram {
  color: #fff;
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.hero-text { flex: 1 1 auto; min-width: 260px; }
.hero-tagline {
  display: inline-block;
  color: var(--color-accent-gold);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.hero h1 {
  font-size: 2.1rem;
  margin: 0 0 6px;
  color: var(--color-ink);
}
.hero .role {
  font-size: 1.15rem;
  color: var(--color-primary);
  font-weight: 600;
  margin: 0 0 4px;
}
.hero .subrole {
  color: var(--color-ink-soft);
  font-size: 0.98rem;
  margin: 0 0 20px;
}
.hero .intro {
  max-width: 640px;
  color: var(--color-ink-soft);
  margin: 0 0 28px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid var(--color-primary);
  cursor: pointer;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
}
.btn-secondary:hover { background: var(--color-primary-soft); text-decoration: none; }

/* ---------- Availability ---------- */
.avail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.avail-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.avail-item .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-gold);
  font-weight: 700;
  margin-bottom: 6px;
}
.avail-item .value { color: var(--color-ink); font-size: 0.95rem; }

/* ---------- Skills ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.skill-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.skill-card h3 {
  font-size: 1rem;
  margin: 0 0 14px;
  color: var(--color-primary);
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-size: 0.82rem;
  padding: 4px 10px;
  border-radius: 20px;
  white-space: nowrap;
}

/* ---------- Experience timeline ---------- */
.timeline { display: flex; flex-direction: column; gap: 0; }
.timeline-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--color-border);
}
.timeline-item:first-child { border-top: none; }
.timeline-period {
  color: var(--color-accent-gold);
  font-weight: 700;
  font-size: 0.88rem;
  padding-top: 2px;
}
.timeline-body h3 {
  font-size: 1.05rem;
  margin: 0 0 2px;
  color: var(--color-ink);
}
.timeline-body .company {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0 0 2px;
}
.timeline-body .location {
  color: var(--color-ink-soft);
  font-size: 0.85rem;
  margin: 0 0 12px;
}
.timeline-body ul { margin: 0; padding-left: 20px; color: var(--color-ink-soft); font-size: 0.93rem; }
.timeline-body li { margin-bottom: 6px; }

/* ---------- Projects ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.project-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.project-card .meta {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-gold);
  font-weight: 700;
  margin-bottom: 8px;
}
.project-card h3 {
  font-size: 1.02rem;
  margin: 0 0 10px;
  color: var(--color-ink);
}
.project-card p {
  color: var(--color-ink-soft);
  font-size: 0.92rem;
  flex-grow: 1;
  margin: 0 0 14px;
}
.project-card .skill-tags { margin-top: auto; }

/* ---------- Education / Certificates / Languages ---------- */
.info-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}
.info-block h3 {
  font-size: 1.05rem;
  margin: 0 0 16px;
}
.edu-item { margin-bottom: 18px; }
.edu-item .degree { font-weight: 600; color: var(--color-ink); }
.edu-item .institution { color: var(--color-primary); font-size: 0.92rem; }
.edu-item .detail { color: var(--color-ink-soft); font-size: 0.88rem; margin-top: 4px; }

ul.plain-list { list-style: none; margin: 0; padding: 0; }
ul.plain-list li {
  padding: 8px 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-ink-soft);
  font-size: 0.92rem;
}
ul.plain-list li:first-child { border-top: none; padding-top: 0; }

.lang-list { list-style: none; margin: 0; padding: 0; }
.lang-list li {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.92rem;
}
.lang-list li:first-child { border-top: none; padding-top: 0; }
.lang-list .level { color: var(--color-ink-soft); }

/* ---------- Industries / Clients ---------- */
.chip-list { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.88rem;
  color: var(--color-ink-soft);
  background: #fff;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}
.contact-row { margin-bottom: 18px; }
.contact-row:last-child { margin-bottom: 0; }
.contact-row .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-gold);
  font-weight: 700;
  margin-bottom: 4px;
}
.contact-row .value { font-size: 1.02rem; }
.contact-row .value a { font-weight: 600; }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--color-primary-dark);
  color: #d7deeb;
  padding: 32px 0;
  font-size: 0.85rem;
}
footer.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
footer.site-footer a { color: #d7deeb; }
footer.site-footer a:hover { color: #fff; }
.footer-links { display: flex; gap: 20px; }

/* ---------- Legal pages ---------- */
.legal-page main {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}
.legal-page h1 { font-size: 1.7rem; margin-bottom: 28px; }
.legal-page h2 { font-size: 1.15rem; margin-top: 34px; }
.legal-page p, .legal-page li { color: var(--color-ink-soft); font-size: 0.96rem; }
.legal-page .back-link { display: inline-block; margin-bottom: 28px; font-size: 0.9rem; }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .nav-wrap { flex-wrap: wrap; row-gap: 10px; }
  nav.main-nav { order: 3; width: 100%; justify-content: flex-start; gap: 16px; }
  .hero-inner { flex-direction: column; text-align: center; }
  .hero .intro { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }
  .timeline-item { grid-template-columns: 1fr; gap: 6px; }
  .contact-grid { grid-template-columns: 1fr; }
  footer.site-footer .container { flex-direction: column; text-align: center; }
}