/* =========================================================
   ZMIENNE KOLORYSTYCZNE MOTYWU
   ========================================================= */
:root {
  --primary:   #00c8ff;
  --secondary: #f012be;
  --accent:    #7928ca;
  --dark:      #0a0b1a;
  --darker:    #050614;
  --light:     #f8f9fa;
}

/* =========================================================
   RESET + PODSTAWOWE USTAWIENIA
   ========================================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
  background-color: var(--dark);
  color: var(--light);
  line-height: 1.6;
}

/* =========================================================
   STAŁE IKONY TECHNOLOGII W TLE
   ========================================================= */
.tech-icon {
  position: fixed;
  font-size: 30px;
  opacity: 0.4;      /* delikatna przezroczystość */
  z-index: -1;       /* pod całą zawartością */
}
/* konkretne pozycje */
.java-icon   { top: 20%; left: 10%; color: #5382a1; }
.aws-icon    { top: 70%; left: 80%; color: #ff9900; }
.azure-icon  { top: 30%; left: 85%; color: #0078d4; }
.docker-icon { top: 80%; left: 15%; color: #2496ed; }
.k8s-icon    { top: 15%; left: 75%; color: #326ce5; }
.kafka-icon  { top: 60%; left: 5%;  color: #e535ab; }

/* =========================================================
   KLASY POMOCNICZE
   ========================================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* =========================================================
   NAGŁÓWEK + NAWIGACJA
   ========================================================= */
header {
  background-color: rgba(5, 6, 20, 0.4);
  backdrop-filter: blur(5px);
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 100;
  border-bottom: 1px solid var(--primary);
  box-shadow: 0 2px 10px rgba(0,0,0,.3);
}
header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
}
.logo { font-size: 24px; font-weight: 700; color: var(--primary); text-decoration: none; }
.nav-links { display: flex; gap: 30px; }
.nav-links a {
  color: var(--light); text-decoration: none; font-weight: 500;
  transition: color .3s;
}
.nav-links a:hover { color: var(--primary); }

/* =========================================================
   OGÓLNY STYL SEKCJI
   ========================================================= */
section { padding: 80px 0; }
section h2 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 36px;
  color: var(--primary);
}

/* =========================================================
   SEKCJA HERO
   ========================================================= */
#hero {
  height: 100vh;          /* pełne okno */
  display: flex;
  align-items: center;    /* pion */
  justify-content: center;/* poziom */
  position: relative;
  overflow: hidden;
  text-align: center;
}
/* ramka + pół‑przezroczyste tło wewnętrznego kontenera */
#hero .container {
  text-align: left;
  position: relative;
  z-index: 1;                       /* ponad kosmosem */
  background: rgba(10, 11, 26, .30);
  padding: 40px 50px;
  border-radius: 15px;
  backdrop-filter: blur(3px);
  border: 1px solid rgba(0, 200, 255, .30);
  box-shadow: 0 10px 25px rgba(0,0,0,.5);
  max-width: 900px;
  width: 80%;
}

/* =========================================================
   SEKCJA ABOUT
   ========================================================= */
#about {
  background: rgba(10, 11, 26, .15);
  backdrop-filter: blur(3px);
  border-top: 1px solid rgba(0,200,255,.2);
  border-bottom: 1px solid rgba(0,200,255,.2);
}

/* =========================================================
   SEKCJA SKILLS
   ========================================================= */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(250px,1fr));
  gap: 30px;
}
.skill-card {
  background: rgba(10, 11, 26, .3);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  border: 1px solid rgba(0,200,255,.3);
  backdrop-filter: blur(3px);
  box-shadow: 0 5px 15px rgba(0,0,0,.2);
  transition: transform .3s, box-shadow .3s;
}
.skill-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,.3);
  border-color: rgba(0,200,255,.5);
}
.skill-card .skill-icon { font-size: 40px; margin-bottom: 20px; color: var(--primary); }
.skill-card p { margin-top: 10px; line-height: 1.6; }

/* =========================================================
   SEKCJA PROJECTS
   ========================================================= */
#projects {
  background: rgba(10, 11, 26, .15);
  backdrop-filter: blur(3px);
  border-top: 1px solid rgba(0,200,255,.2);
  border-bottom: 1px solid rgba(0,200,255,.2);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(350px,1fr));
  gap: 30px;
  margin-bottom: 40px;
  align-items: stretch;
}
/* === KAFELKI PROJEKTÓW ==================================== */
.project-card{
    position:relative;
    background:rgba(10,11,26,.4);
    border:1px solid rgba(0,200,255,.3);
    border-radius:10px;
    overflow:hidden;            /* zaokrąglone rogi też dla pseudo‑elem. */
    display:flex;
    flex-direction:column;
    transition:transform .3s, box-shadow .3s;
}
.project-card:hover{
    transform:translateY(-5px);
    box-shadow:0 10px 20px rgba(0,0,0,.3);
    border-color:rgba(0,200,255,.5);
}

/* ► duża „wskazówka” do kliknięcia */
.project-card::after{
    content:"\f25a";                 /* hand-pointer */
    font-family:"Font Awesome 6 Free";
    font-weight:900;                 /* 900 = solid (gruby) */
    font-size:64px;
    color:var(--primary);
    position:absolute;
    top:50%;left:50%;
    transform:translate(-50%,-50%) scale(0);
    opacity:0;
    pointer-events:none;
    transition:transform .3s ease,opacity .3s ease;
}
.project-card:hover::after{
    transform:translate(-50%,-50%) scale(1);
    opacity:.85;
}


.project-img {
  height: 200px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(5, 6, 20, .3);
  backdrop-filter: blur(2px);
}
.project-content { padding: 25px; }
.project-tags {
  display: flex; flex-wrap: wrap; gap: 10px; margin: 15px 0;
}
.tag {
  padding: 5px 10px;
  background: rgba(0,200,255,.1);
  border-radius: 20px;
  font-size: 12px;
  border: 1px solid rgba(0,200,255,.15);
}

/* =========================================================
   PRZYCISK .btn (używany w kilku miejscach)
   ========================================================= */
.btn {
  display: inline-block;
  padding: 10px 20px;
  background: var(--primary);
  color: #fff;
  border-radius: 5px;
  text-decoration: none;
}

/* =========================================================
   SEKCJA EXPERIENCE (TIMELINE)
   ========================================================= */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding: 20px 0;
}
.timeline::before {
  content:'';
  position: absolute; top:0; bottom:0;
  width: 2px; background: var(--primary);
  left: 50%; margin-left: -1px;
}
.timeline-item { margin-bottom: 40px; position: relative; }
.timeline-content {
  background: rgba(10, 11, 26, .3);
  border-radius: 10px;
  padding: 20px;
  position: relative;
  width: 45%;
  margin-left: auto;
  backdrop-filter: blur(3px);
  border: 1px solid rgba(0,200,255,.2);
}
.timeline-item:nth-child(even) .timeline-content {
  margin-left: 0;
  margin-right: auto;
}
.timeline-content ul li { margin-bottom: 8px; }
.timeline-content ul li:last-child { margin-bottom: 0; }

/* =========================================================
   SEKCJA CONTACT
   ========================================================= */
#contact {
  background: rgba(10, 11, 26, .15);
  backdrop-filter: blur(3px);
  padding-bottom: 100px;
  border-top: 1px solid rgba(0,200,255,.2);
}
.contact-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact-info {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  margin-bottom: 40px;
}
.contact-card {
  background: rgba(10,11,26,.3);
  padding: 20px;
  border-radius: 10px;
  min-width: 200px;
  text-align: center;
  border: 1px solid rgba(0,200,255,.3);
  backdrop-filter: blur(3px);
  box-shadow: 0 5px 15px rgba(0,0,0,.2);
  transition: transform .3s, box-shadow .3s;
}
.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,.3);
  border-color: rgba(0,200,255,.5);
}
.contact-icon {
  font-size: 30px;
  margin-bottom: 15px;
  color: var(--primary);
  transition: transform .3s;
}
.contact-card:hover .contact-icon { transform: scale(1.2); }

.contact-form {
  width: 100%;
  background: rgba(10,11,26,.3);
  padding: 30px;
  border-radius: 10px;
  border: 1px solid rgba(0,200,255,.3);
  backdrop-filter: blur(3px);
  box-shadow: 0 5px 15px rgba(0,0,0,.2);
}
.form-group  { margin-bottom: 20px; }
.form-control{
  width: 100%; padding: 10px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(0,200,255,.3);
  border-radius: 5px;
  color:#fff;
  transition: all .3s;
}
.form-control:focus{
  background: rgba(255,255,255,.15);
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 10px rgba(0,200,255,.3);
}

/* =========================================================
   STOPKA
   ========================================================= */
footer {
  background: rgba(5,6,20,.4);
  backdrop-filter: blur(5px);
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid rgba(0,200,255,.3);
}
.social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}
.social-link {
  width: 40px; height: 40px;
  background: rgba(255,255,255,.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color:#fff; text-decoration: none;
  transition: all .3s;
  border:1px solid transparent;
}
.social-link:hover{
  background: rgba(255,255,255,.2);
  transform: translateY(-5px);
  border-color: rgba(0,200,255,.3);
  color: var(--primary);
  box-shadow:0 5px 15px rgba(0,0,0,.3);
}
.big-contact-btn{
  display:block;
  width:100%; max-width:300px;
  margin:30px auto;
  padding:15px;
  background: var(--primary);
  color:#fff;
  text-align:center;
  font-size:18px;
  border-radius:5px;
  text-decoration:none;
  font-weight:bold;
  position:relative;
  overflow:hidden;
  z-index:1;
  transition:all .3s;
  box-shadow:0 5px 15px rgba(0,200,255,.3);
}
.big-contact-btn:hover{
  transform:translateY(-3px);
  box-shadow:0 8px 25px rgba(0,200,255,.5);
}
.big-contact-btn::before{
  content:'';
  position:absolute; top:0; left:-100%;
  width:100%; height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);
  transition:all .6s; z-index:-1;
}
.big-contact-btn:hover::before{ left:100%; }

/* =========================================================
   RESPONSYWNOŚĆ – URZĄDZENIA ≤ 768 px
   ========================================================= */
@media (max-width: 768px){

  /* linia osi czasu po lewej  */
  .timeline::before { left: 30px; }
  .timeline-content{
    width: 85%;
    margin-left: 60px !important; /* !important aby nadpisać obie kolumny */
  }

  /* mniejsze paddingi w pudełku hero */
  #hero .container { padding: 25px; }
}

/* ===== PROJECTS – WYRÓWNANE KARTY  ===================================== */

/* 1️⃣  Kafelkowanie – wszystkie karty mają identyczną wysokość           */
/* ===== PROJECTS – WYRÓWNANE KARTY  ===================================== */

/* 1️⃣  Kafelkowanie – wszystkie karty mają identyczną wysokość           */
.projects-grid { align-items: stretch; }

/* 2️⃣  Karta to jedna kolumna flex; .project-content wypełnia całość      */





/* 3️⃣  Wewnątrz .project-content znów flex‑kolumna                       */
.project-content {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;            /* rozciąga się w pionie do pełnej wysokości */
}


/* 5️⃣  Nagłówek technologii – zwykły odstęp                              */
.tech-title {
  margin: 0 0 15px;
  color: var(--primary);
  font-size: 20px;
  font-weight: 700;
}

/* 6️⃣  Lista technologii                                                 */
.tech-dl        { margin: 0 0 25px; }
.tech-dl dt     { font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.tech-dl dd     { margin: 0 0 20px; line-height: 1.8; }

/* 7️⃣  Tagi przyklejone do dołu karty                                    */
.project-tags   { margin-top: auto; }

/* 8️⃣  Drobne kosmetyczne poprawki tekstu                                */
.project-content p {
  margin: 0 0 15px;
  text-align: left;
  line-height: 1.8;
  hyphens: none;
}

/* ────────────────────────────────────────────────────────────────
   (opcjonalnie) indywidualne wysokości – odkomentuj, jeśli potrzebujesz
──────────────────────────────────────────────────────────────── */
/*
.projects-grid .project-card:nth-of-type(1) .project-summary { min-height: 340px; }
.projects-grid .project-card:nth-of-type(2) .project-summary { min-height: 300px; }
.projects-grid .project-card:nth-of-type(3) .project-summary { min-height: 280px; }
*/

/* === PAKIET zwinięty ================================================= */
/* ───────────── STAN ZWINIĘTY ───────────── */
/* === PAKIET – DWUSTANOWY WIDOK ===================================== */

/* ───────────── STAN ZWINIĘTY (PODGLĄD) ───────────── */
.project-card.is-collapsed::before{
    content:"\2022\2022\2022";        /* ●●●  */
    position:absolute;left:50%;bottom:18px;
    transform:translateX(-50%);
    font-size:2.4rem;                 /* rozmiar kropek */
    line-height:0;                    /* zeruje odstęp pionowy */
    color:var(--primary);
    opacity:.85;
    pointer-events:none;              /* nie przeszkadzają w kliknięciu */
}

.project-card.is-expanded::before{content:none;}
.project-card.is-collapsed             { cursor:pointer; }

/* ► pokaż całą sekcję .project-summary, ale przytnij treść */
.project-card.is-collapsed .project-summary{
    max-height:8.5rem;                 /* ~5 linii */
    overflow:hidden;
    display:-webkit-box;
    -webkit-line-clamp:5;
    -webkit-box-orient:vertical;
    position:relative;
}

/* ► miękki gradient na dole zajawki */
.project-card.is-collapsed .project-summary::after{
    content:'';
    position:absolute; left:0; right:0; bottom:0;
    height:3rem;
    background:linear-gradient(
                to bottom,
                rgba(10,11,26,0)   0%,
                rgba(10,11,26,.85) 100%);
}

/* ► pierwszy akapit („The Challenge …”) – pełny */
.project-card.is-collapsed .project-summary p:first-of-type{
    max-height:none;
    overflow:visible;
}

/* ► drugi („My Role …”) – 1 linia + wielokropek */
.project-card.is-collapsed .project-summary p:nth-of-type(2){
    display:-webkit-box;
    -webkit-line-clamp:1;
    -webkit-box-orient:vertical;
    overflow:hidden;
    position:relative;
}
.project-card.is-collapsed .project-summary p:nth-of-type(2)::after{
    content:"\2026";                    /* … */
    font-size:1.8em;                    /* duże kropki */
    font-weight:900;
    color:var(--dark);                  /* kolor tła – subtelny */
    margin-left:.15em;
}

/* ► od trzeciego akapitu w dół – chowamy */
.project-card.is-collapsed .project-summary p:nth-of-type(n+3){
    display:none;
}

/* ► ukryj technikalia w podglądzie */
.project-card.is-collapsed .tech-title,
.project-card.is-collapsed .tech-dl,
.project-card.is-collapsed .project-tags{
    display:none;
}

/* ───────────── STAN ROZWINIĘTY (PEŁNA KARTA) ─────────── */
.project-card.is-expanded              { cursor:default; }
.project-card.is-expanded .project-summary{
    min-height : 240px;          /* eksperymentuj 220-260 px */
}

/* ► pełny opis (jeśli nie chcesz sztucznej wysokości – usuń min-height) */

/* ► pokaż ponownie ukrytą treść techniczną */
.project-card.is-expanded .tech-title,
.project-card.is-expanded .tech-dl,
.project-card.is-expanded .project-tags{
    display:block;
}

/* =========================================================
   PODSKAKUJĄCE „●●●”  (animacja zachęcająca do kliknięcia)
   ========================================================= */

@keyframes dotBounce {
    0%, 100% { transform: translateX(-50%) translateY(0);   }
    50%      { transform: translateX(-50%) translateY(-9px);} /* wysokość skoku */
}

/* 2️⃣  Aktywujemy animację tylko w stanie collapsed        */
.project-card.is-collapsed::before{
    animation: dotBounce 1.4s ease-in-out infinite;
}

/* 3️⃣  W stanie expanded kulek nie ma, więc animacja znika */
.project-card.is-expanded::before{ content:none; }

/* pozwól pseudo-elementowi wychodzić poza kartę */
.project-card{ overflow: visible; }          /* było: hidden */

/* podnieś kropki o kilka pikseli, żeby nie stykały się z ramką */
.project-card.is-collapsed::before{
    bottom: 28px;                            /* było ~18 px */
    z-index: 2;                              /* pewność, że są nad treścią */
}

.project-card.is-expanded .project-summary{
    min-height: unset;