/* Share Tech Mono — używany wyłącznie w logo navbar */
@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&display=swap');

/* ============================================================
   DESIGN SYSTEM — Brutalist / Retro Personal Site
   ============================================================ */

:root {
  --font: system-ui, -apple-system, "Segoe UI", sans-serif;
  --color-text: #0a0a0a;
  --color-bg: #ffffff;
  --color-muted-bg: #efefef;
  --color-border: #0a0a0a;
  --weight-bold: 700;
  --weight-black: 900;
  --border: 1.5px solid var(--color-border);
  --radius: 3px;
  --max-width: 1100px;
  --gap: 2rem;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 4rem 0;
}

/* ============================================================
   NAVBAR
   ============================================================ */

.navbar {
  border-bottom: var(--border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 56px;
}

/* Kompaktowe logo w navbar: >3003.tech_ */
.navbar__logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  background: var(--color-bg);
  border: var(--border);
  border-radius: var(--radius);
  padding: 0.4rem 0.75rem;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.9rem;
  color: var(--color-text);
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.1s, color 0.1s;
}

.navbar__logo:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.navbar__logo-prompt {
  margin-right: 0.05em;
}

.navbar__logo-cursor {
  display: inline-block;
  width: 7px;
  height: 2px;
  background: currentColor;
  margin-left: 3px;
  margin-bottom: 2px;
  align-self: flex-end;
  animation: blink 1.2s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ============================================================
   HERO TERMINAL — pełne logo w sekcji hero
   ============================================================ */

.hero__terminal {
  background: var(--color-text);
  border: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  font-family: 'Share Tech Mono', monospace;
  max-width: 380px;
  width: 100%;
}

.hero__terminal-bar {
  background: #1c1c1c;
  border-bottom: 1px solid #333;
  padding: 0.55rem 0.9rem;
}

.hero__terminal-dots {
  font-size: 0.5rem;
  color: rgba(255, 255, 255, 0.28);
  letter-spacing: 3px;
}

.hero__terminal-screen {
  padding: 2rem 2rem 2.5rem;
  position: relative;
  z-index: 1;
}

.hero__terminal-content {
  display: flex;
  align-items: baseline;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: #f0f0f0;
  line-height: 1;
}

.hero__terminal-prompt {
  color: #ffffff;
  margin-right: 0.08em;
}

.hero__terminal-cursor {
  display: inline-block;
  width: 0.5em;
  height: 0.12em;
  background: #ffffff;
  margin-left: 0.1em;
  align-self: flex-end;
  margin-bottom: 0.12em;
  animation: blink 1.2s infinite;
}

.hero__terminal-tagline {
  margin-top: 1.25rem;
  color: rgba(255, 255, 255, 0.32);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  text-align: right;
}

.hero__terminal-scanlines {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.07) 50%);
  background-size: 100% 4px;
  pointer-events: none;
}

.navbar__nav {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  margin-left: auto;
}

.navbar__nav a {
  font-weight: var(--weight-bold);
  font-size: 0.875rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius);
  transition: background 0.1s;
  letter-spacing: 0.01em;
}

.navbar__nav a:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  padding: 5rem 0 4rem;
  border-bottom: var(--border);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3rem;
  align-items: center;
}

.hero__heading {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: var(--weight-black);
  letter-spacing: -3px;
  line-height: 1;
  margin-bottom: 1.25rem;
}

.hero__sub {
  font-size: 1.05rem;
  max-width: 42ch;
  margin-bottom: 2rem;
  color: #333;
}

.hero__illustration {
  width: 100%;
  max-width: 380px;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-block;
  font-family: var(--font);
  font-weight: var(--weight-bold);
  font-size: 0.9rem;
  padding: 0.6rem 1.35rem;
  border: var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  background: var(--color-bg);
  color: var(--color-text);
  transition: background 0.1s, color 0.1s;
  letter-spacing: 0.01em;
}

.btn:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.btn--large {
  font-size: 1rem;
  padding: 0.75rem 1.75rem;
}

/* ============================================================
   QUICK LINKS
   ============================================================ */

.quick-links {
  background: var(--color-muted-bg);
  border-bottom: var(--border);
}

.quick-links__label {
  font-size: 0.8rem;
  font-weight: var(--weight-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  color: #555;
}

.quick-links__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.quick-links__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  font-weight: var(--weight-bold);
  font-size: 1rem;
  border-right: var(--border);
  transition: background 0.1s, color 0.1s;
  background: var(--color-bg);
}

.quick-links__item:last-child {
  border-right: none;
}

.quick-links__item:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.quick-links__arrow {
  font-size: 1.1rem;
}

/* ============================================================
   SECTION HEADER
   ============================================================ */

.section-header {
  margin-bottom: 2rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: var(--weight-black);
  letter-spacing: -1.5px;
  line-height: 1;
}

.section-header__link {
  font-size: 0.9rem;
  font-weight: var(--weight-bold);
  text-decoration: underline;
  margin-top: 0.4rem;
  display: inline-block;
}

.section-header__link:hover {
  opacity: 0.6;
}

/* ============================================================
   BROWSER WINDOW CARD
   ============================================================ */

.card {
  border: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
}

.card__titlebar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 1rem;
  border-bottom: var(--border);
  background: var(--color-muted-bg);
}

.card__dots {
  display: flex;
  gap: 5px;
}

.card__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: var(--border);
  display: block;
}

.card__filename {
  font-size: 0.78rem;
  font-weight: var(--weight-bold);
  color: #555;
  letter-spacing: 0.02em;
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: var(--border);
  background: var(--color-muted-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card__image--placeholder {
  aspect-ratio: 16 / 9;
  background: var(--color-muted-bg);
  border-bottom: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card__image--placeholder svg {
  opacity: 0.18;
}

.card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.card__body h3 {
  font-size: 1.35rem;
  font-weight: var(--weight-black);
  letter-spacing: -0.5px;
}

.card__body p {
  font-size: 0.9rem;
  color: #333;
  line-height: 1.65;
}

/* ============================================================
   PROJECTS GRID
   ============================================================ */

.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}

.projects__grid--3col {
  grid-template-columns: repeat(3, 1fr);
}

/* ============================================================
   BLOG SECTION
   ============================================================ */

.blog {
  background: var(--color-muted-bg);
  border-top: var(--border);
  border-bottom: var(--border);
}

.blog__stack {
  position: relative;
  height: 420px;
}

.blog__stack .card {
  position: absolute;
  width: 60%;
  max-width: 440px;
}

.blog__stack .card:nth-child(1) {
  top: 0;
  left: 0;
  z-index: 4;
}

.blog__stack .card:nth-child(2) {
  top: 20px;
  left: 60px;
  z-index: 3;
}

.blog__stack .card:nth-child(3) {
  top: 40px;
  left: 120px;
  z-index: 2;
}

.blog__stack .card:nth-child(4) {
  top: 60px;
  left: 180px;
  z-index: 1;
}

/* ============================================================
   FOOTER
   ============================================================ */

footer {
  border-top: var(--border);
  padding: 2rem 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #555;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer__links a {
  font-weight: var(--weight-bold);
  font-size: 0.85rem;
}

.footer__links a:hover {
  text-decoration: underline;
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */

.page-hero {
  padding: 4rem 0 3rem;
  border-bottom: var(--border);
}

.page-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: var(--weight-black);
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.05rem;
  max-width: 50ch;
  color: #333;
}

/* ============================================================
   PROJECTS PAGE — full grid
   ============================================================ */

.projects-full .projects__grid {
  grid-template-columns: repeat(2, 1fr);
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */

.about__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  padding: 4rem 0;
}

.about__content h2 {
  font-size: 2rem;
  font-weight: var(--weight-black);
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

.about__content p {
  color: #333;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.about__skills h3 {
  font-size: 1rem;
  font-weight: var(--weight-black);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  margin-top: 2rem;
}

.about__skills h3:first-child {
  margin-top: 0;
}

.skills-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skills-list li {
  border: var(--border);
  padding: 0.3rem 0.85rem;
  font-size: 0.85rem;
  font-weight: var(--weight-bold);
  border-radius: var(--radius);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }

  .hero__illustration {
    display: none;
  }

  .quick-links__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .quick-links__item:nth-child(2) {
    border-right: none;
  }

  .quick-links__item:nth-child(1),
  .quick-links__item:nth-child(2) {
    border-bottom: var(--border);
  }

  .projects__grid,
  .projects__grid--3col {
    grid-template-columns: 1fr;
  }

  .blog__stack {
    height: auto;
    position: static;
  }

  .blog__stack .card {
    position: static;
    width: 100%;
    max-width: 100%;
    margin-bottom: 1rem;
  }

  .about__layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .navbar__nav {
    display: none;
  }
}

@media (max-width: 480px) {
  .quick-links__grid {
    grid-template-columns: 1fr;
  }

  .quick-links__item {
    border-right: none;
    border-bottom: var(--border);
  }

  .quick-links__item:last-child {
    border-bottom: none;
  }
}