/* =========================================================
   DYRDA & POŃC — CSS BAZOWY
   ========================================================= */

:root {
  --color-text: #1f2430;
  --color-text-soft: #6a707c;
  --color-bg: #f8f6f3;
  --color-bg-alt: #efebe7;
  --color-border: #ddd4cd;

  --color-card-light: #f3ece6;
  --color-card-taupe: #a79d97;
  --color-card-dark: #2d2d2d;

  --color-white: #ffffff;
  --color-button-bg: #1f2430;
  --color-button-text: #ffffff;

  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --small-heading-size: 13px;
  --small-heading-line: 1.4;
  --small-heading-letter: 0.08em;

  --section-heading-size: 44px;
  --section-heading-line: 1.12;
  --section-heading-letter: -0.02em;

  --text-size: 19px;
  --text-line: 1.72;

  --button-size: 15px;
  --button-line: 1.2;

  --section-space-y: 110px;
  --section-space-y-tablet: 85px;
  --section-space-y-mobile: 60px;

  --container-max: 1280px;
  --content-max: 760px;

  --radius-soft: 18px;
  --radius-large: 28px;
  --radius-round: 999px;

  --transition-fast: 0.2s ease;
}

/* =========================================================
   RESET / BAZA
   ========================================================= */

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
}

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

/* =========================================================
   UKŁAD
   ========================================================= */

.page-wrapper {
  background: var(--color-bg);
}

.page-section {
  width: 100%;
  padding-top: var(--section-space-y);
  padding-bottom: var(--section-space-y);
}

.page-section--alt {
  background: var(--color-bg-alt);
}

.page-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.narrow-block {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.spacer-24 {
  height: 24px;
}

/* =========================================================
   TYPOGRAFIA
   ========================================================= */

.small-heading {
  margin: 0 0 14px 0;
  font-size: var(--small-heading-size);
  line-height: var(--small-heading-line);
  font-weight: 600;
  letter-spacing: var(--small-heading-letter);
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.section-heading {
  margin: 0 0 22px 0;
  font-size: var(--section-heading-size);
  line-height: var(--section-heading-line);
  font-weight: 600;
  letter-spacing: var(--section-heading-letter);
  color: var(--color-text);
}

.section-text {
  margin: 0;
  max-width: var(--content-max);
  font-size: var(--text-size);
  line-height: var(--text-line);
  font-weight: 400;
  color: var(--color-text);
}

.section-text + .section-text {
  margin-top: 18px;
}

.section-text--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-intro {
  margin-bottom: 40px;
}

.section-intro--center {
  text-align: center;
}

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

.dp-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 16px 24px;
  border: 1px solid var(--color-button-bg);
  border-radius: var(--radius-round);
  background: var(--color-button-bg);
  color: var(--color-button-text);
  font-size: var(--button-size);
  line-height: var(--button-line);
  font-weight: 500;
  text-decoration: none;
  text-align: center;
  transition: background var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast);
}

.dp-button:hover,
.dp-button:focus {
  background: transparent;
  color: var(--color-button-bg);
  border-color: var(--color-button-bg);
}

.dp-button--secondary {
  background: transparent;
  color: var(--color-button-bg);
}

.dp-button--secondary:hover,
.dp-button--secondary:focus {
  background: var(--color-button-bg);
  color: var(--color-button-text);
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(248, 246, 243, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(221, 212, 205, 0.85);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  gap: 24px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-size: 22px;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
  white-space: nowrap;
}

.site-brand:hover,
.site-brand:focus {
  opacity: 0.8;
}

.site-nav {
  display: flex;
  align-items: center;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__list a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
  font-size: 15px;
  line-height: 1.2;
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

.site-nav__list a:hover,
.site-nav__list a:focus {
  opacity: 0.7;
}

.site-nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 8px;
  width: 100%;
  height: 1px;
  background: var(--color-text);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition-fast);
  opacity: 0.18;
}

.site-nav__list a:hover::after,
.site-nav__list a:focus::after {
  transform: scaleX(1);
}

/* =========================================================
   OFFSET DLA KOTWIC
   ========================================================= */

#start,
#kierunki,
#o-nas,
#kontakt {
  scroll-margin-top: 110px;
}

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

.hero-section {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
}

.hero-container {
  display: flex;
  align-items: center;
  gap: 56px;
}

.hero-text {
  flex: 1 1 54%;
}

.hero-image {
  flex: 1 1 46%;
}

.hero-image img {
  width: 100%;
  border-radius: var(--radius-large);
}

.hero-heading {
  margin: 0 0 22px 0;
  font-size: 68px;
  line-height: 1.01;
  font-weight: 600;
  letter-spacing: -0.035em;
  color: var(--color-text);
}

.hero-text-copy {
  margin: 0 0 30px 0;
  max-width: 620px;
  font-size: 21px;
  line-height: 1.68;
  font-weight: 400;
  color: var(--color-text);
}

/* =========================================================
   KARTY KIERUNKÓW
   ========================================================= */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px;
}

.direction-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  border-radius: var(--radius-large);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.direction-card--light {
  background: var(--color-card-light);
  color: var(--color-text);
}

.direction-card--taupe {
  background: var(--color-card-taupe);
  color: var(--color-white);
  border-color: transparent;
}

.direction-card--dark {
  background: var(--color-card-dark);
  color: var(--color-white);
  border-color: transparent;
}

.direction-card__image-link {
  display: block;
  text-decoration: none;
}

.direction-card__image-link img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.direction-card__content {
  padding: 26px 26px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  flex: 1 1 auto;
}

.direction-card__title {
  margin: 0;
  font-size: 31px;
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.direction-card__text {
  margin: 0;
  font-size: 18px;
  line-height: 1.65;
  color: inherit;
  opacity: 0.95;
}

.direction-card__button {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 14px 22px;
  border: 1px solid currentColor;
  border-radius: var(--radius-round);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.2;
  font-weight: 600;
  transition: opacity var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.direction-card__button:hover,
.direction-card__button:focus {
  opacity: 0.8;
}

/* =========================================================
   CTA / KONTAKT
   ========================================================= */

.contact-box {
  padding: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: rgba(255, 255, 255, 0.72);
}

/* =========================================================
   STOPKA
   ========================================================= */

.site-footer {
  padding-top: 38px;
  padding-bottom: 38px;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.footer-title {
  margin: 0 0 10px 0;
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--color-text);
}

.footer-text,
.footer-text a {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  font-weight: 400;
  color: var(--color-text-soft);
  text-decoration: none;
}

.footer-text a:hover,
.footer-text a:focus {
  color: var(--color-text);
}

/* =========================================================
   RESPONSIVE — TABLET
   ========================================================= */

@media (max-width: 1024px) {
  :root {
    --section-heading-size: 36px;
    --text-size: 18px;
    --section-space-y: var(--section-space-y-tablet);
  }

  .hero-section {
    min-height: auto;
  }

  .hero-container {
    gap: 38px;
  }

  .hero-heading {
    font-size: 50px;
  }

  .hero-text-copy {
    font-size: 18px;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  #start,
  #kierunki,
  #o-nas,
  #kontakt {
    scroll-margin-top: 96px;
  }
}

/* =========================================================
   RESPONSIVE — MOBILE
   ========================================================= */

@media (max-width: 767px) {
  :root {
    --small-heading-size: 12px;
    --section-heading-size: 29px;
    --text-size: 16px;
    --button-size: 15px;
    --section-space-y: var(--section-space-y-mobile);
  }

  .page-container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .site-header__inner {
    min-height: 66px;
    flex-wrap: wrap;
    justify-content: center;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .site-brand {
    width: 100%;
    justify-content: center;
    text-align: center;
    font-size: 20px;
  }

  .site-nav {
    width: 100%;
    justify-content: center;
  }

  .site-nav__list {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 18px;
  }

  .site-nav__list a {
    min-height: auto;
    font-size: 14px;
  }

  .site-nav__list a::after {
    bottom: -2px;
  }

  .hero-container {
    flex-direction: column;
    align-items: stretch;
    gap: 30px;
  }

  .hero-heading {
    font-size: 38px;
    line-height: 1.05;
    margin-bottom: 18px;
  }

  .hero-text-copy {
    font-size: 17px;
    line-height: 1.65;
    margin-bottom: 24px;
  }

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

  .direction-card__content {
    padding: 22px 22px 24px;
  }

  .direction-card__title {
    font-size: 27px;
  }

  .direction-card__text {
    font-size: 16px;
  }

  .contact-box {
    padding: 24px;
  }

  .button-group {
    flex-direction: column;
    align-items: stretch;
  }

  .dp-button {
    width: 100%;
    padding: 15px 20px;
  }

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

  #start,
  #kierunki,
  #o-nas,
  #kontakt {
    scroll-margin-top: 120px;
  }
}