/* ==========================================================================
   Mahmoud Hamidy — CV / Portfolio website
   Static, dependency-free stylesheet. Uses CSS logical properties so RTL
   (Arabic) layout mirrors correctly without duplicating every rule.
   ========================================================================== */

:root {
  /* Light theme (default) */
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6fb;
  --color-surface: #ffffff;
  --color-border: #e2e6ef;
  --color-text: #101828;
  --color-text-muted: #4b5568;
  --color-navy: #0b1a33;
  --color-accent: #2554c7;
  --color-accent-hover: #1c40a0;
  --color-accent-soft: #e8edfb;
  --color-badge-bg: #dbe6ff;
  --color-badge-text: #16326b;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 6px 20px rgba(16, 24, 40, 0.08);
  --header-height: 68px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --max-width: 1120px;
  --transition-fast: 150ms ease;
  --transition-med: 250ms ease;
  /* Faint tiled "0 1" watermark — the site's IT/binary motif. Recolored per
     theme below so it always reads as a subtle texture, not noise. */
  --bg-pattern: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2290%22%20height%3D%2290%22%3E%3Ctext%20x%3D%224%22%20y%3D%2218%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%230b1a33%22%20fill-opacity%3D%220.055%22%3E0%3C%2Ftext%3E%3Ctext%20x%3D%2249%22%20y%3D%2218%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%230b1a33%22%20fill-opacity%3D%220.055%22%3E1%3C%2Ftext%3E%3Ctext%20x%3D%2226%22%20y%3D%2242%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%230b1a33%22%20fill-opacity%3D%220.055%22%3E1%3C%2Ftext%3E%3Ctext%20x%3D%2268%22%20y%3D%2242%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%230b1a33%22%20fill-opacity%3D%220.055%22%3E0%3C%2Ftext%3E%3Ctext%20x%3D%224%22%20y%3D%2266%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%230b1a33%22%20fill-opacity%3D%220.055%22%3E1%3C%2Ftext%3E%3Ctext%20x%3D%2249%22%20y%3D%2266%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%230b1a33%22%20fill-opacity%3D%220.055%22%3E0%3C%2Ftext%3E%3Ctext%20x%3D%2226%22%20y%3D%2288%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%230b1a33%22%20fill-opacity%3D%220.055%22%3E0%3C%2Ftext%3E%3Ctext%20x%3D%2268%22%20y%3D%2288%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%230b1a33%22%20fill-opacity%3D%220.055%22%3E1%3C%2Ftext%3E%3C%2Fsvg%3E");
}

:root[data-theme="dark"] {
  --color-bg: #0b1220;
  --color-bg-alt: #0f1b30;
  --color-surface: #101d33;
  --color-border: #223252;
  --color-text: #eef1f7;
  --color-text-muted: #a7b3c8;
  --color-navy: #0b1a33;
  --color-accent: #6f9bff;
  --color-accent-hover: #8fb0ff;
  --color-accent-soft: #17274a;
  --color-badge-bg: #1c2e57;
  --color-badge-text: #cddcff;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
  --bg-pattern: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2290%22%20height%3D%2290%22%3E%3Ctext%20x%3D%224%22%20y%3D%2218%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%236f9bff%22%20fill-opacity%3D%220.05%22%3E0%3C%2Ftext%3E%3Ctext%20x%3D%2249%22%20y%3D%2218%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%236f9bff%22%20fill-opacity%3D%220.05%22%3E1%3C%2Ftext%3E%3Ctext%20x%3D%2226%22%20y%3D%2242%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%236f9bff%22%20fill-opacity%3D%220.05%22%3E1%3C%2Ftext%3E%3Ctext%20x%3D%2268%22%20y%3D%2242%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%236f9bff%22%20fill-opacity%3D%220.05%22%3E0%3C%2Ftext%3E%3Ctext%20x%3D%224%22%20y%3D%2266%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%236f9bff%22%20fill-opacity%3D%220.05%22%3E1%3C%2Ftext%3E%3Ctext%20x%3D%2249%22%20y%3D%2266%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%236f9bff%22%20fill-opacity%3D%220.05%22%3E0%3C%2Ftext%3E%3Ctext%20x%3D%2226%22%20y%3D%2288%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%236f9bff%22%20fill-opacity%3D%220.05%22%3E0%3C%2Ftext%3E%3Ctext%20x%3D%2268%22%20y%3D%2288%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%236f9bff%22%20fill-opacity%3D%220.05%22%3E1%3C%2Ftext%3E%3C%2Fsvg%3E");
}

/* Terminal theme — a tasteful nod to the IT/binary identity: dark,
   monospace-adjacent, terminal-green accents. Contrast is kept to the same
   standard as the other two themes; it's a mood, not a gimmick. */
:root[data-theme="terminal"] {
  --color-bg: #060a08;
  --color-bg-alt: #0a100c;
  --color-surface: #0b140f;
  --color-border: #1d3325;
  --color-text: #dcffe9;
  --color-text-muted: #75a98d;
  --color-navy: #071b12;
  --color-accent: #00e08a;
  --color-accent-hover: #3dffb2;
  --color-accent-soft: #0e2b1c;
  --color-badge-bg: #123322;
  --color-badge-text: #7cffc4;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 10px 30px rgba(0, 224, 138, 0.12);
  --bg-pattern: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2290%22%20height%3D%2290%22%3E%3Ctext%20x%3D%224%22%20y%3D%2218%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%2300e08a%22%20fill-opacity%3D%220.06%22%3E0%3C%2Ftext%3E%3Ctext%20x%3D%2249%22%20y%3D%2218%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%2300e08a%22%20fill-opacity%3D%220.06%22%3E1%3C%2Ftext%3E%3Ctext%20x%3D%2226%22%20y%3D%2242%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%2300e08a%22%20fill-opacity%3D%220.06%22%3E1%3C%2Ftext%3E%3Ctext%20x%3D%2268%22%20y%3D%2242%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%2300e08a%22%20fill-opacity%3D%220.06%22%3E0%3C%2Ftext%3E%3Ctext%20x%3D%224%22%20y%3D%2266%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%2300e08a%22%20fill-opacity%3D%220.06%22%3E1%3C%2Ftext%3E%3Ctext%20x%3D%2249%22%20y%3D%2266%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%2300e08a%22%20fill-opacity%3D%220.06%22%3E0%3C%2Ftext%3E%3Ctext%20x%3D%2226%22%20y%3D%2288%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%2300e08a%22%20fill-opacity%3D%220.06%22%3E0%3C%2Ftext%3E%3Ctext%20x%3D%2268%22%20y%3D%2288%22%20font-family%3D%22monospace%22%20font-size%3D%2215%22%20fill%3D%22%2300e08a%22%20fill-opacity%3D%220.06%22%3E1%3C%2Ftext%3E%3C%2Fsvg%3E");
}

/* ---------------------------------------------------------------------- */
/* Reset & base                                                            */
/* ---------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--color-bg);
  background-image: var(--bg-pattern);
  background-repeat: repeat;
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-med), color var(--transition-med);
}

html[dir="rtl"] body {
  font-family: "Segoe UI", Tahoma, "Noto Naskh Arabic", "Noto Sans Arabic", Arial, sans-serif;
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

h1, h2, h3, h4, h5 {
  line-height: 1.25;
  margin: 0 0 0.5em;
  color: var(--color-text);
}

p {
  margin: 0 0 1em;
}

button {
  font: inherit;
  cursor: pointer;
  color: inherit;
  background: none;
  border: none;
}

.icon {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.icon-inline {
  width: 16px;
  height: 16px;
  display: inline-block;
  vertical-align: -2px;
  margin-inline-end: 0.4em;
  color: var(--color-accent);
}

/* Respect reduced motion preference everywhere */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------------------------------------------------------------------- */
/* Intro animation — binary "matrix" rain, plays once on page load         */
/* ---------------------------------------------------------------------- */

#intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  background: #060a08;
  transition: opacity 0.6s ease;
}

#intro-overlay.intro-hide {
  opacity: 0;
  pointer-events: none;
}

#matrix-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.intro-brand {
  position: relative;
  z-index: 1;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.3em;
  font-size: clamp(1.6rem, 6vw, 2.75rem);
  text-shadow: 0 0 24px rgba(0, 224, 138, 0.55);
}

.intro-skip {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.82rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  background: rgba(255, 255, 255, 0.04);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.intro-skip:hover,
.intro-skip:focus-visible {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

@media (prefers-reduced-motion: reduce) {
  #intro-overlay {
    display: none !important;
  }
}

@media print {
  #intro-overlay {
    display: none !important;
  }
}

/* ---------------------------------------------------------------------- */
/* Accessibility helpers                                                   */
/* ---------------------------------------------------------------------- */

.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -3rem;
  background: var(--color-accent);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

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

/* ---------------------------------------------------------------------- */
/* Header / navigation                                                    */
/* ---------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  border-block-end: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  height: var(--header-height);
  padding-inline: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--color-text);
  flex-shrink: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

:root[data-theme="dark"] .brand-mark {
  background: var(--color-accent);
}

:root[data-theme="terminal"] .brand-mark {
  background: var(--color-accent);
  color: #04150d;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.main-nav ul {
  display: flex;
  gap: 1.75rem;
}

.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  padding-block: 0.4rem;
  border-block-end: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.is-active {
  color: var(--color-accent);
  border-block-end-color: var(--color-accent);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.lang-switch {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-muted);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.lang-btn[aria-pressed="true"] {
  background: var(--color-accent);
  color: #fff;
}

.lang-btn:hover:not([aria-pressed="true"]) {
  background: var(--color-accent-soft);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: var(--color-text);
  transition: background-color var(--transition-fast);
}

.icon-btn:hover {
  background: var(--color-accent-soft);
}

.icon-moon { display: none; }
.icon-terminal { display: none; }
:root[data-theme="dark"] .icon-sun { display: none; }
:root[data-theme="dark"] .icon-moon { display: block; }
:root[data-theme="terminal"] .icon-sun { display: none; }
:root[data-theme="terminal"] .icon-terminal { display: block; }

.menu-toggle {
  display: none;
}
.icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-burger { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }

/* ---------------------------------------------------------------------- */
/* Buttons                                                                 */
/* ---------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  border: 1px solid transparent;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
}

.btn-secondary {
  background: var(--color-navy);
  color: #fff;
}
:root[data-theme="dark"] .btn-secondary,
:root[data-theme="terminal"] .btn-secondary {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-secondary:hover {
  opacity: 0.9;
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-outline:hover {
  background: var(--color-accent-soft);
}

.btn-small {
  padding: 0.4rem 0.85rem;
  font-size: 0.82rem;
}

/* ---------------------------------------------------------------------- */
/* Layout helpers                                                         */
/* ---------------------------------------------------------------------- */

.section-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 4rem 1.25rem;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 1.75rem;
  padding-block-end: 0.5rem;
  border-block-end: 3px solid var(--color-accent);
  display: inline-block;
}

/* ---------------------------------------------------------------------- */
/* Hero                                                                    */
/* ---------------------------------------------------------------------- */

.hero {
  background-image: var(--bg-pattern), linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
  background-repeat: repeat, no-repeat;
  border-block-end: 1px solid var(--color-border);
  scroll-margin-top: var(--header-height);
}

.hero-inner {
  max-width: 780px;
  margin-inline: auto;
  padding: 5rem 1.25rem 4.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-avatar {
  width: 108px;
  height: 108px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
}

:root[data-theme="dark"] .hero-avatar {
  background: var(--color-accent);
}

:root[data-theme="terminal"] .hero-avatar {
  background: var(--color-accent);
  color: #04150d;
}

.hero-brand {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.hero-name {
  font-size: 2.4rem;
  margin-bottom: 0.25rem;
}

.hero-title {
  font-size: 1.2rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.hero-location {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
}

.hero-intro {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 620px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
}

/* ---------------------------------------------------------------------- */
/* Lebenslauf section                                                     */
/* ---------------------------------------------------------------------- */

.cv-section {
  scroll-margin-top: var(--header-height);
}

.cv-subnav {
  position: sticky;
  top: var(--header-height);
  z-index: 20;
  background: var(--color-bg);
  padding-block: 0.75rem;
  margin-bottom: 2.5rem;
  border-block-end: 1px solid var(--color-border);
  overflow-x: auto;
}

.cv-subnav ul {
  display: flex;
  gap: 0.5rem;
  min-width: max-content;
}

.subnav-link {
  display: inline-block;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  white-space: nowrap;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.subnav-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.subnav-link.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.cv-block {
  scroll-margin-top: calc(var(--header-height) + 60px);
  margin-bottom: 3.5rem;
  padding-bottom: 3rem;
  border-block-end: 1px solid var(--color-border);
}

.cv-block:last-of-type {
  border-block-end: none;
}

.cv-block-title {
  font-size: 1.4rem;
  color: var(--color-navy);
}

:root[data-theme="dark"] .cv-block-title {
  color: #fff;
}

:root[data-theme="terminal"] .cv-block-title {
  color: var(--color-text);
}

.cv-block-text,
.cv-block-intro {
  color: var(--color-text-muted);
  max-width: 760px;
}

/* Timeline */

.timeline {
  position: relative;
  padding-inline-start: 1.75rem;
  border-inline-start: 2px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

html[dir="rtl"] .timeline {
  padding-inline-start: 1.75rem;
}

.timeline-item {
  position: relative;
}

.timeline-dot {
  position: absolute;
  inset-inline-start: -2.35rem;
  top: 0.35rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-border);
  border: 2px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-border);
}

.timeline-item-highlight .timeline-dot {
  background: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.timeline-item-highlight .timeline-card {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.badge {
  display: inline-block;
  background: var(--color-badge-bg);
  color: var(--color-badge-text);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.6rem;
}

.timeline-role {
  font-size: 1.1rem;
  margin-bottom: 0.15rem;
}

.timeline-company {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.timeline-dates {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin-bottom: 0.9rem;
}

.timeline-note {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.timeline-note-muted {
  color: var(--color-text-muted);
  font-weight: 500;
  font-style: italic;
}

.timeline-subheading {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
}

.timeline-tasks {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timeline-tasks li {
  position: relative;
  padding-inline-start: 1.2rem;
  font-size: 0.95rem;
}

.timeline-tasks li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* Cards grid (project + skills) */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.proj-card,
.skill-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  box-shadow: var(--shadow-sm);
}

.proj-card h4,
.skill-card h4 {
  font-size: 1rem;
  color: var(--color-accent);
  margin-bottom: 0.8rem;
}

.proj-card ul {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.proj-card ul li {
  position: relative;
  padding-inline-start: 1.1rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.proj-card ul li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.5em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

.project-title {
  font-size: 1.1rem;
  font-weight: 600;
  max-width: 820px;
  margin-bottom: 0.75rem;
}

.project-env-note {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  font-style: italic;
  max-width: 760px;
}

/* Software projects (portfolio cards + filters) */

.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.filter-btn {
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  white-space: nowrap;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-btn.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.project-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-card[hidden] {
  display: none;
}

.project-thumb {
  aspect-ratio: 16 / 9;
  background: var(--color-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-thumb-fallback {
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.project-thumb-fallback .icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
  stroke-width: 1.4;
}

.project-body {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.project-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.project-card-head h4 {
  font-size: 1.05rem;
  margin: 0;
}

.badge-muted {
  background: var(--color-border);
  color: var(--color-text-muted);
}

.project-category {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.85rem;
  margin: 0;
}

.project-description {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin: 0;
}

.project-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

.project-functions-heading {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin: 0.2rem 0 0;
}

.project-functions {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.project-functions li {
  position: relative;
  padding-inline-start: 1.1rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.project-functions li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.5em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

.project-link {
  margin-top: auto;
  align-self: flex-start;
}

/* Tag lists (skills, subjects, interests) */

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-list li {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

/* Language list */

.language-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-width: 520px;
}

.language-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.language-name {
  font-weight: 700;
}

.language-level {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-align: end;
}

/* Compact list (weitere Berufserfahrung) */

.compact-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: 760px;
}

.compact-list li {
  position: relative;
  padding-inline-start: 1.2rem;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.compact-list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-muted);
}

.cv-download-inline {
  margin-top: 1rem;
}

/* ---------------------------------------------------------------------- */
/* Contact                                                                 */
/* ---------------------------------------------------------------------- */

.contact-section {
  background-color: var(--color-bg-alt);
  background-image: var(--bg-pattern);
  background-repeat: repeat;
  scroll-margin-top: var(--header-height);
}

.contact-intro {
  color: var(--color-text-muted);
  max-width: 620px;
}

.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  max-width: 620px;
  box-shadow: var(--shadow-sm);
}

.contact-name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.contact-location {
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  margin: 0 0 1.75rem;
}

.contact-row dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
}

.contact-row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  color: var(--color-accent);
}

.contact-link:hover {
  text-decoration: underline;
}

.copy-success {
  font-size: 0.85rem;
  color: #1a8f5e;
  font-weight: 600;
}

.privacy-note {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-top: 1.75rem;
}

/* ---------------------------------------------------------------------- */
/* Footer                                                                  */
/* ---------------------------------------------------------------------- */

.site-footer {
  border-block-start: 1px solid var(--color-border);
  background-color: var(--color-bg);
  background-image: var(--bg-pattern);
  background-repeat: repeat;
}

.footer-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 3rem 1.25rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.footer-brand {
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  font-size: 0.85rem;
  margin-bottom: 0.3rem;
}

.footer-name {
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-heading {
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-block-start: 1px solid var(--color-border);
  padding: 1.5rem 1.25rem;
  max-width: var(--max-width);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.footer-bottom .privacy-note {
  margin: 0;
}

/* ---------------------------------------------------------------------- */
/* Responsive: mobile navigation                                          */
/* ---------------------------------------------------------------------- */

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: fixed;
    inset-inline: 0;
    top: var(--header-height);
    background: var(--color-bg);
    border-block-end: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-med), transform var(--transition-med);
  }

  .main-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.25rem 1.25rem;
  }

  .main-nav a {
    display: block;
    padding: 0.85rem 0;
    border-block-end: 1px solid var(--color-border);
  }

  .header-tools {
    order: 3;
  }
}

@media (max-width: 600px) {
  .hero-name {
    font-size: 1.9rem;
  }
  .section-inner {
    padding: 3rem 1rem;
  }
  .contact-card {
    padding: 1.5rem;
  }
}

/* ---------------------------------------------------------------------- */
/* Print styles                                                            */
/* ---------------------------------------------------------------------- */

@media print {
  .site-header,
  .hero-actions,
  .cv-subnav,
  .cv-download-inline,
  .site-footer,
  .contact-card .btn,
  #copy-email-btn,
  .skip-link {
    display: none !important;
  }

  body,
  .hero,
  .contact-section {
    background: #fff !important;
    color: #000;
  }

  .cv-block {
    break-inside: avoid;
    border-block-end: none;
  }

  .timeline {
    border-inline-start-color: #999;
  }

  a {
    color: #000;
    text-decoration: none;
  }

  .section-inner {
    padding: 0.5rem 0;
  }
}