:root {
  --bg: #f7f7f5;
  --white: #fff;
  --text: #171717;
  --text-muted: #666;
  --text-light: #888;

  --primary: #2727c5;
  --primary-soft: rgba(39, 39, 197, 0.08);

  --border: #deded9;
  --border-light: #e7e7e7;

  --container: 1200px;

  --radius-sm: 7px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  --shadow-sm: 0 8px 25px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);

  --transition: 0.2s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

img {
  max-width: 100%;
}

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

/* CONTAINER */

.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}

/* HEADER */

header {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
  padding: 28px 0;

  display: flex;
  align-items: center;
  justify-content: space-between;

  position: relative;
  z-index: 100;
}

.logo-link {
  display: block;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;

  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.logo img {
  width: 45px;
  height: 45px;

  display: block;
  object-fit: contain;
}

/* NAVIGATION */

nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

nav a {
  color: #555;
  font-size: 14px;

  transition:
    color var(--transition),
    background var(--transition);
}

nav a:hover {
  color: var(--text);
}

/* HAMBURGER */

.menu-toggle {
  display: none;

  width: 44px;
  height: 44px;
  padding: 10px;

  border: 1px solid #ddd;
  border-radius: 9px;

  background: var(--white);

  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;

  position: relative;
  z-index: 110;
}

.menu-toggle span {
  display: block;

  width: 20px;
  height: 2px;

  background: var(--text);
  border-radius: 2px;

  transition:
    transform var(--transition),
    opacity var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* HERO */

.hero {
  width: min(100% - 48px, var(--container));
  margin: 70px auto 75px;
}

.hero h1 {
  max-width: 800px;
  margin: 0 0 20px;

  font-size: clamp(38px, 6vw, 72px);
  line-height: 0.95;
  letter-spacing: -3px;
}

.hero p {
  margin: 0 0 30px;

  color: var(--text-muted);
  font-size: 18px;
}

.search {
  width: 100%;
  max-width: 650px;
  padding: 17px 20px;

  border: 1px solid #ddd;
  border-radius: var(--radius-md);

  background: var(--white);
  outline: none;

  font-size: 16px;

  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

.search:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.search::placeholder {
  color: #999;
}

/* FILTERS */

.filters {
  width: min(100% - 48px, var(--container));
  margin: 30px auto;

  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter {
  padding: 9px 16px;

  border: 1px solid #ddd;
  border-radius: var(--radius-pill);

  background: var(--white);
  color: var(--text);

  font-size: 14px;

  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition);
}

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

.filter.active {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--white);
}

/* COMPETITION GRID */

.grid {
  width: min(100% - 48px, var(--container));
  margin: 0 auto;
  padding: 20px 0 80px;

  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  min-height: 230px;
  padding: 32px;

  display: flex;
  flex-direction: column;

  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);

  background: var(--white);

  transition:
    transform var(--transition),
    box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.category {
  margin-bottom: 30px;

  color: var(--text-light);

  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.card h2 {
  margin: 0 0 15px;

  font-size: 22px;
  line-height: 1.1;
}

.organizer {
  color: var(--text-muted);
  font-size: 14px;
}

.bottom {
  margin-top: auto;
  padding-top: 45px;

  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.deadline {
  color: #777;
  font-size: 13px;
}

.deadline strong {
  display: block;
  margin-top: 3px;

  color: var(--text);
  font-size: 15px;
}

.arrow {
  width: 36px;
  height: 36px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;

  background: var(--primary);
  color: var(--white);
}

/* MAIN */

main {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
  padding-bottom: 100px;
}

.section {
  margin: 75px auto 105px;
}

.section-heading {
  max-width: 650px;
  margin-bottom: 38px;
}

.section-heading h2 {
  margin: 0 0 10px;

  font-size: 30px;
  letter-spacing: -1px;
}

.section-heading p {
  margin: 0;
  color: var(--text-muted);
}

/* PLANS */

.plans {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.plan {
  padding: 34px;

  display: flex;
  flex-direction: column;

  border: 1px solid var(--border);
  border-radius: var(--radius-lg);

  background: var(--white);
}

.plan.featured {
  padding: 33px;
  border: 2px solid var(--primary);
}

.plan-name {
  margin-bottom: 18px;

  color: var(--text-muted);

  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.price {
  margin-bottom: 14px;

  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -1.8px;
}

.price span {
  color: #777;

  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0;
}

.plan-description {
  min-height: 48px;
  max-width: 430px;

  color: var(--text-muted);

  font-size: 14px;
  line-height: 1.55;
}

.features {
  margin: 24px 0 30px;
  padding: 18px 0 0;

  list-style: none;

  border-top: 1px solid #eee;
}

.features li {
  margin-bottom: 11px;

  font-size: 14px;
  line-height: 1.45;
}

.features li:last-child {
  margin-bottom: 0;
}

.features li::before {
  content: "✓";
  margin-right: 9px;
  color: var(--primary);
}

.plan-button {
  width: 100%;
  margin-top: auto;
  padding: 14px 18px;

  display: block;

  border-radius: var(--radius-sm);

  background: #f0f0ed;

  text-align: center;

  font-size: 14px;
  font-weight: 600;
}

.featured .plan-button {
  background: var(--primary);
  color: var(--white);
}

/* STEPS */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);

  border-top: 1px solid var(--border);
}

.step {
  padding: 30px 25px 30px 0;

  border-bottom: 1px solid var(--border);
}

.step + .step {
  padding-left: 25px;
  border-left: 1px solid var(--border);
}

.step-number {
  margin-bottom: 20px;

  color: #999;
  font-size: 12px;
}

.step h3 {
  margin: 0 0 10px;

  font-size: 20px;
  letter-spacing: -0.5px;
}

.step p {
  max-width: 300px;
  margin: 0;

  color: var(--text-muted);
  font-size: 14px;
}

/* ABOUT */

.about {
  padding: 70px 0;

  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;

  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about h2 {
  margin: 0;

  font-size: 38px;
  line-height: 1.05;
  letter-spacing: -1.5px;
}

.about-text {
  padding-top: 3px;
}

.about-text p {
  margin: 0 0 20px;

  color: #555;
  font-size: 16px;
}

.about-text p:last-child {
  margin-bottom: 0;
}

/* CONTACT */

.contact {
  margin-top: 100px;
  padding: 52px 55px;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;

  border-radius: var(--radius-lg);

  background: var(--text);
  color: var(--white);
}

.contact h2 {
  margin: 0 0 10px;

  font-size: 34px;
  letter-spacing: -1px;
}

.contact p {
  max-width: 550px;
  margin: 0;

  color: #aaa;
}

.email-button {
  flex-shrink: 0;
  padding: 14px 22px;

  border-radius: var(--radius-sm);

  background: var(--white);
  color: var(--text);

  font-size: 14px;
  font-weight: 600;

  white-space: nowrap;
}

/* NO RESULTS */

.no-results {
  width: min(100% - 48px, var(--container));
  margin: 0 auto;
  padding-bottom: 60px;

  color: #777;
  font-size: 15px;
  text-align: center;
}

/* FOOTER */

footer {
  padding: 30px 24px;

  border-top: 1px solid #ddd;

  color: #888;
  font-size: 13px;
  text-align: center;
}

/* COMPETITION PAGE */

.competition-page {
  width: min(100% - 48px, var(--container));
  margin: 0 auto;
  padding: 35px 0 100px;
}

/* COMPETITION HERO */

.competition-hero {
  padding-bottom: 45px;
}

.category-competition {
  display: inline-block;
  margin-bottom: 18px;
  padding: 6px 11px;

  border: 1px solid var(--border);
  border-radius: var(--radius-pill);

  background: var(--white);
  color: #777;

  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.competition-hero h1 {
  max-width: 900px;
  margin: 0 0 18px;

  font-size: 52px;
  line-height: 1.08;
  letter-spacing: -2px;
}

.competition-hero p {
  max-width: 760px;
  margin: 0;

  color: var(--text-muted);

  font-size: 17px;
  line-height: 1.7;
}

/* COMPETITION INFO */

.competition-info {
  display: grid;
  grid-template-columns: repeat(4, 1fr);

  margin-bottom: 65px;

  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.competition-info > div {
  min-height: 105px;
  padding: 22px 24px;

  display: flex;
  flex-direction: column;
  justify-content: center;

  border-right: 1px solid var(--border);
}

.competition-info > div:first-child {
  padding-left: 0;
}

.competition-info > div:last-child {
  border-right: 0;
}

.competition-info span,
.competition-box span {
  margin-bottom: 5px;

  color: var(--text-light);

  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.7px;
  text-transform: uppercase;
}

.competition-info strong {
  font-size: 15px;
  line-height: 1.4;
  font-weight: 600;
}

/* COMPETITION CONTENT */

.competition-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 90px;
  align-items: start;
}

.content-main {
  max-width: 760px;
}

.content-main section {
  margin-bottom: 50px;
}

.content-main h2 {
  margin: 0 0 18px;

  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.7px;
}

.content-main p {
  margin: 0;

  color: #444;

  font-size: 16px;
  line-height: 1.8;
}

/* LISTS */

.content-main ul {
  margin: 0;
  padding-left: 22px;

  color: #444;

  font-size: 16px;
  line-height: 1.8;
}

.content-main li {
  margin-bottom: 8px;
}

/* SCHEDULE */

.schedule-item {
  display: flex;
  flex-direction: column;

  padding: 15px 0;

  border-bottom: 1px solid var(--border);
}

.schedule-item strong {
  margin-bottom: 4px;
  font-size: 15px;
}

.schedule-item span {
  color: #555;
  font-size: 15px;
}

/* COMPETITION SIDEBAR */

.competition-sidebar {
  position: sticky;
  top: 25px;

  display: flex;
  flex-direction: column;
  gap: 12px;
}

.competition-box {
  padding: 22px;

  border: 1px solid var(--border);
  border-radius: var(--radius-md);

  background: var(--white);
}

.competition-box strong {
  display: block;

  font-size: 23px;
  line-height: 1.2;
}

/* COMPETITION BUTTON */

.competition-button {
  min-height: 52px;
  padding: 0 20px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: var(--radius-sm);

  background: var(--text);
  color: var(--white);

  font-size: 14px;
  font-weight: 600;

  transition:
    background var(--transition),
    transform var(--transition);
}

.competition-button:hover {
  background: #333;
  transform: translateY(-1px);
}

/* NOT FOUND */

.competition-not-found {
  padding: 80px 0;
  text-align: center;
}

.competition-not-found h1 {
  margin-bottom: 15px;
}

.competition-not-found p {
  margin-bottom: 25px;
  color: var(--text-muted);
}

.competition-not-found a {
  color: var(--text);
  font-weight: 600;
}

/* WYRÓŻNIONY KONKURS */

.card-featured {
  position: relative;
  border: 2px solid #7c3aed;

  background:
    linear-gradient(
      135deg,
      rgba(124, 58, 237, 0.035),
      #ffffff 45%
    );

  box-shadow:
    0 8px 30px rgba(124, 58, 237, 0.10);

  overflow: hidden;
}

.card-featured:hover {
  transform: translateY(-4px);

  box-shadow:
    0 14px 38px rgba(124, 58, 237, 0.16);
}

.featured-badge {
  position: absolute;
  top: 18px;
  right: 18px;

  padding: 7px 11px;

  border-radius: var(--radius-pill);

  background: var(--primary);
  color: var(--white);

  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.7px;
}

.card-featured .category {
  padding-right: 130px;

  color: var(--primary);
  font-weight: 700;
}

.card-featured h2 {
  max-width: 720px;

  font-size: 25px;
  letter-spacing: -0.5px;
}

.featured-details {
  margin-top: 24px;
  padding-top: 20px;

  display: flex;
  flex-wrap: wrap;
  gap: 9px;

  border-top: 1px solid rgba(124, 58, 237, 0.15);
}

.featured-details div {
  padding: 8px 11px;

  border: 1px solid #e7defd;
  border-radius: var(--radius-sm);

  background: rgba(124, 58, 237, 0.04);
  color: #555;

  font-size: 12px;
}

.featured-details span {
  margin-right: 4px;
}

.card-featured .bottom {
  padding-top: 28px;
}

.card-featured .arrow {
  background: #7c3aed;

  transition:
    transform var(--transition),
    background var(--transition);
}

.card-featured:hover .arrow {
  transform: translateX(3px);
  background: #6d28d9;
}

/* TABLET */

@media (max-width: 900px) {
  .competition-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .competition-sidebar {
    position: static;
    max-width: 400px;
  }

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

  .competition-info > div:nth-child(2) {
    border-right: 0;
  }

  .competition-info > div:nth-child(3),
  .competition-info > div:nth-child(4) {
    border-top: 1px solid var(--border);
  }

  .competition-info > div:first-child {
    padding-left: 24px;
  }
}

/* MOBILE NAVIGATION */

@media (max-width: 800px) {
  header {
    width: min(100% - 40px, var(--container));
    padding: 18px 0;
  }

  .logo {
    font-size: 19px;
  }

  .logo img {
    width: 40px;
    height: 40px;
  }

  .menu-toggle {
    display: flex;
  }

  nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;

    padding: 8px;

    flex-direction: column;
    align-items: stretch;
    gap: 0;

    border: 1px solid #e3e3e3;
    border-radius: 12px;

    background: var(--white);
    box-shadow: var(--shadow-md);

    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);

    transition:
      opacity var(--transition),
      transform var(--transition),
      visibility var(--transition);
  }

  nav.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  nav a {
    width: 100%;
    padding: 14px 15px;

    border-radius: 8px;

    color: #333;
    font-size: 15px;
  }

  nav a:hover {
    background: #f5f5f3;
    color: var(--text);
  }

  .hero {
    width: min(100% - 40px, var(--container));
    margin: 55px auto 65px;
  }

  .hero h1 {
    margin-bottom: 22px;
    letter-spacing: -2px;
  }

  .hero p {
    font-size: 17px;
  }

  main {
    width: min(100% - 40px, var(--container));
    padding-bottom: 80px;
  }

  .section {
    margin-bottom: 75px;
  }

  .section-heading {
    margin-bottom: 28px;
  }

  .section-heading h2 {
    font-size: 28px;
  }

  .plans {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .plan {
    padding: 28px 25px 25px;
  }

  .plan.featured {
    padding: 27px 24px 24px;
  }

  .price {
    font-size: 38px;
  }

  .plan-description {
    min-height: auto;
  }

  .features {
    margin-top: 22px;
    margin-bottom: 27px;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .step {
    padding: 25px 0;
  }

  .step + .step {
    padding-left: 0;
    border-left: 0;
  }

  .about {
    grid-template-columns: 1fr;
    gap: 35px;
    padding: 55px 0;
  }

  .about h2 {
    font-size: 34px;
  }

  .contact {
    margin-top: 75px;
    padding: 35px 25px;

    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }

  .contact h2 {
    font-size: 28px;
  }

  .email-button {
    width: 100%;
    text-align: center;
  }

  footer {
    padding: 28px 20px;
  }
}

/* SMALL MOBILE */

@media (max-width: 600px) {
  .container,
  .competition-page,
  .hero,
  .filters,
  .grid,
  main,
  .no-results {
    width: min(100% - 36px, var(--container));
  }

  .logo span {
    font-size: 17px;
  }

  .logo img {
    width: 36px;
    height: 36px;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
  }

  .hero {
    margin-top: 35px;
  }

  .hero h1 {
    letter-spacing: -2px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .filters {
    gap: 8px;
  }

  .filter {
    padding: 8px 14px;
    font-size: 13px;
  }

  .competition-page {
    padding: 25px 0 60px;
  }

  .competition-hero {
    padding-bottom: 40px;
  }

  .competition-hero h1 {
    font-size: 38px;
    line-height: 1.08;
    letter-spacing: -1.5px;
  }

  .competition-hero p {
    font-size: 15px;
  }

  .competition-info {
    grid-template-columns: 1fr;
    margin-bottom: 45px;
  }

  .competition-info > div,
  .competition-info > div:first-child {
    min-height: auto;
    padding: 18px 0;

    border-right: 0;
    border-top: 1px solid var(--border);
  }

  .competition-info > div:first-child {
    border-top: 0;
  }

  .competition-content {
    gap: 35px;
  }

  .content-main h2 {
    font-size: 23px;
  }

  .content-main p,
  .content-main ul {
    font-size: 15px;
    line-height: 1.75;
  }

  .competition-sidebar {
    max-width: none;
  }

  .featured-badge {
    position: static;

    display: inline-block;
    align-self: flex-start;

    margin-bottom: 20px;
  }

  .card-featured .category {
    padding-right: 0;
  }

  .card-featured h2 {
    font-size: 21px;
  }

  .featured-details {
    flex-direction: column;
    align-items: stretch;
  }

  .featured-details div {
    width: 100%;
  }
}