/* ==========================================================
   KAMYKI 4x4 REWOLUCJE – STYL GŁÓWNY
   Autor: Daniel Skrobacki | DS-Systems.com.pl
   ========================================================== */

/* FONTY */
@import url("https://fonts.googleapis.com/css2?family=Stick+No+Bills:wght@600;700&family=Strait&display=swap");

/* ZMIENNE GLOBALNE */
:root {
  --accent: #00BD00;
  --accent-rgb: 0,189,0;
  --black: #000;
  --dark: #1A1A1A;
  --white: #FFF;
  --gray: #DADADA;
  --font-heading: 'Stick No Bills', serif;
  --font-body: 'Strait', sans-serif;
}

/* RESET */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background: #000 url("img/back.png") center center / cover no-repeat fixed;
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
}

/* =======================================
   ELEMENTY OGÓLNE I STRUKTURA
   ======================================= */

.container {
  width: 80%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
}

.section {
  background: rgba(10, 10, 10, 0.9);
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 40px;
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.7);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.section:hover {
  border-color: var(--accent);
  box-shadow: 0 0 40px rgba(var(--accent-rgb), 0.5);
}

/* Nagłówki sekcji */
.section h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--accent);
  font-size: 26px;
  margin-bottom: 20px;
}

/* =======================================
   POLA FORMULARZY
   ======================================= */

form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

label {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray);
  margin-bottom: 4px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 6px;
  border: 1px solid rgba(var(--accent-rgb), 0.4);
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
  font-size: 14px;
  transition: all 0.2s ease-in-out;
  font-family: var(--font-body);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.4);
  background: rgba(255, 255, 255, 0.08);
}

/* TEXTAREA */
textarea {
  resize: vertical;
  min-height: 100px;
}

/* FILE UPLOAD */
input[type="file"] {
  border: 1px dashed rgba(var(--accent-rgb), 0.5);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  color: var(--gray);
  background: rgba(255, 255, 255, 0.03);
}

input[type="file"]:hover {
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--white);
}

/* CHECKBOXY I ZGODY */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray);
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.05em;
}

input[type="checkbox"] {
  accent-color: var(--accent);
  transform: scale(1.2);
}

/* =======================================
   PRZYCISKI
   ======================================= */

.btn {
  position: relative;
  display: inline-block;
  padding: 14px 36px;
  border-radius: 999px;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  border: 1px solid #444;
  cursor: pointer;
  transition: all 200ms ease-out;
  font-family: var(--font-body);
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(120deg, rgba(255,255,255,0.3), transparent);
  transform: skewX(-25deg);
  transition: left 0.7s ease;
}

.btn:hover::after {
  left: 130%;
}

.btn-primary {
  background: var(--accent);
  color: var(--black);
  border-color: var(--accent);
  box-shadow: 0 0 18px rgba(var(--accent-rgb), 0.6);
}

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 35px rgba(var(--accent-rgb), 0.9);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  border-color: rgba(var(--accent-rgb), 0.5);
  color: var(--accent);
}

.btn-secondary:hover {
  background: rgba(var(--accent-rgb), 0.1);
  box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.5);
  transform: translateY(-2px);
}

/* =======================================
   STOPKA I DODATKI
   ======================================= */

footer {
  text-align: center;
  font-size: 12px;
  color: var(--gray);
  letter-spacing: 0.08em;
  padding: 40px 0;
}

footer a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed rgba(var(--accent-rgb), 0.5);
}

/* =======================================
   ANIMACJE FADE-IN
   ======================================= */

.fade-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =======================================
   RESPONSYWNOŚĆ
   ======================================= */

@media (max-width: 1024px) {
  .container {
    width: 90%;
    padding: 40px 16px;
  }
  .section {
    padding: 30px;
  }
  .hero h1 {
    font-size: 52px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 24px;
  }
  .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .section h2 {
    font-size: 20px;
  }
}

/* =======================================
   STRONA GŁÓWNA (HERO SECTION)
   ======================================= */

.hero {
  text-align: center;
  width: 70%;
  padding: 50px 50px;
  margin: 80px auto;
  background: rgba(10, 10, 10, 0.9);
  border-radius: 24px;
  border: 2px solid #262626;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9);
  position: relative;
  isolation: isolate;
  transition: all 0.3s ease;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 20px;
  border: 2px solid rgba(var(--accent-rgb), 0.6);
  opacity: 0.7;
  transition: all 0.3s ease;
  pointer-events: none;
}

.hero:hover::before {
  opacity: 1;
  border-color: rgba(var(--accent-rgb), 1);
  box-shadow: 0 0 35px rgba(var(--accent-rgb), 0.9);
}

.hero-logo {
  width: 400px;
  height: 200px;
  background: url("img/logo-kamyki.png") center center / contain no-repeat;
  margin: 0 auto 50px;
  filter: drop-shadow(0 0 18px rgba(var(--accent-rgb), 0.6));
}

.hero h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 72px;
  letter-spacing: 0.25em;
  color: var(--white);
  text-transform: uppercase;
  text-shadow: 0 0 8px rgba(var(--accent-rgb), 0.4);
  margin-bottom: 20px;
}

.hero .date {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 30px;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-bottom: 14px;
  text-shadow: 0 0 10px rgba(var(--accent-rgb),0.4);
}

.hero .subtitle {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.25em;
  margin-bottom: 60px;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.organizer-btn {
  position: absolute;
  bottom: 20px;
  right: 20px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid rgba(var(--accent-rgb), 0.5);
  background: rgba(0,0,0,0.8);
  color: var(--accent);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: all 150ms ease-out;
  font-family: var(--font-body);
}

.organizer-btn:hover {
  background: rgba(var(--accent-rgb), 0.15);
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.5);
}

@media (max-width: 1024px) {
  .hero { width: 85%; padding: 70px 40px; }
  .hero h1 { font-size: 54px; letter-spacing: 0.18em; }
  .hero .date { font-size: 24px; }
}

@media (max-width: 768px) {
  .hero { width: 90%; padding: 50px 24px; }
  .hero h1 { font-size: 42px; letter-spacing: 0.12em; }
  .hero .date { font-size: 18px; }
  .hero .subtitle { font-size: 12px; letter-spacing: 0.12em; }
}

/* =======================================
   STOPKA (Z RAMKĄ)
   ======================================= */

.footer-frame {
  background: rgba(10,10,10,0.9);
  border: 1px solid rgba(var(--accent-rgb), 0.4);
  border-radius: 16px;
  padding: 25px;
  width: 80%;
  max-width: 1100px;
  margin: 60px auto 30px;
  text-align: center;
  box-shadow: 0 0 30px rgba(0,0,0,0.6);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.footer-frame:hover {
  border-color: var(--accent);
  box-shadow: 0 0 40px rgba(var(--accent-rgb), 0.5);
}

.footer-frame p {
  font-size: 13px;
  color: var(--gray);
  letter-spacing: 0.08em;
}

.footer-frame a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed rgba(var(--accent-rgb), 0.5);
}