/* ===========================
   RESET & BASE
=========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Základní barvy */
  --black:        #0A0A0A;
  --white:        #FFFFFF;
  --gray-light:   #F8F8F8;
  --gray-line:    #F0F0F0;
  --gray-text:    #888888;

  /* Brandové akcenty */
  --raspberry:    #C0365A;
  --navy:         #1C3F6E;

  /* Fonty */
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --radius: 4px;
  --spacing-section: 64px;
  --spacing-inner: 48px;

  --transition: .25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--gray-text);
  background: var(--white);
  line-height: 1.75;
  font-weight: 300;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ===========================
   TYPOGRAPHY
=========================== */
h1 {
  font-size: clamp(2.25rem, 5vw, 2.75rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--black);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.4rem, 4vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--black);
  line-height: 1.3;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
  color: #555555;
  font-weight: 400;
}

/* Tučné slovo v nadpisu */
strong {
  font-weight: 500;
  color: var(--black);
}

/* Eyebrow label */
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--raspberry);
  margin-bottom: 1rem;
  padding: 0.5rem 1rem;
  background: rgba(192, 54, 90, 0.1);
  border-radius: var(--radius);
  border-left: 3px solid var(--raspberry);
}

/* ===========================
   LAYOUT
=========================== */
.container {
  width: min(1140px, 100% - 2rem);
  margin-inline: auto;
}

.section {
  padding: var(--spacing-section) var(--spacing-inner);
}

.section--light {
  background: var(--gray-light);
}

.section--white {
  background: var(--white);
}

.section--dark {
  background: var(--black);
  color: var(--white);
}

/* Alternating section colors for visual interest */
.section:nth-child(even) {
  background: var(--gray-light);
}

.section:nth-child(odd) {
  background: var(--white);
}

/* ===========================
   SECTION HEADER
=========================== */
.section__header {
  text-align: center;
  margin-bottom: 3rem;
}

.section__title {
  color: var(--black);
  background: linear-gradient(90deg, var(--black) 0%, var(--black) 70%, var(--raspberry) 70%, var(--raspberry) 100%);
  background-size: 100% 100%;
  background-position: bottom;
  background-repeat: no-repeat;
  padding-bottom: 0.25rem;
}

.section__desc {
  font-size: 14px;
  color: var(--gray-text);
  max-width: 520px;
  margin-inline: auto;
  margin-top: 1rem;
  font-weight: 400;
}

/* ===========================
   BUTTONS
=========================== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: var(--black);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--black);
  opacity: 0.8;
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn--ghost:hover {
  border-color: var(--white);
}

.btn--outline {
  background: transparent;
  color: var(--black);
  border: 1px solid var(--black);
}

.btn--outline:hover {
  background: var(--black);
  color: var(--white);
}

.btn--light {
  background: var(--white);
  color: var(--black);
}

.btn--light:hover {
  background: var(--gray-light);
}

.btn--text {
  background: transparent;
  color: var(--black);
  border: none;
  padding: 0;
  font-size: 14px;
  border-bottom: 1px solid var(--black);
}

.btn--text:hover {
  color: var(--navy);
  border-bottom-color: var(--navy);
}

/* ===========================
   HEADER / NAV
=========================== */
.header {
  position: sticky;
  top: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-line);
  z-index: 100;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
}

.nav__logo {
  font-size: 16px;
  font-weight: 500;
  color: var(--black);
  text-decoration: none;
}

.nav__list {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav__link {
  font-size: 14px;
  color: var(--gray-text);
  transition: var(--transition);
}

.nav__link:hover {
  color: var(--black);
}

.nav__burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.nav__burger span {
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: var(--transition);
}

@media (max-width: 768px) {
  .nav__burger { display: flex; }
  .nav__list { display: none; }
}

/* ===========================
   HERO
=========================== */
.hero {
  background: var(--white);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: var(--spacing-section) 0;
}

.hero__text {
  padding-right: 2rem;
}

.hero__image {
  position: relative;
}

.hero__avatar {
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--gray-light) 0%, var(--white) 100%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 500;
  color: var(--raspberry);
  border: 2px solid var(--gray-line);
  border-bottom: 6px solid var(--navy);
  border-right: 6px solid var(--navy);
}

.hero__actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.hero__wave {
  display: none;
}

@media (max-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hero__text { padding-right: 0; }
}

/* ===========================
   CARDS / CONTENT
=========================== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0;
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.card {
  padding: 2rem;
  background: var(--white);
  border-right: 1px solid var(--gray-line);
  border-bottom: 1px solid var(--gray-line);
  border-top: 4px solid var(--raspberry);
  transition: var(--transition);
}

.card:hover {
  border-top-color: var(--navy);
  transform: translateY(-2px);
}

.card:last-child { border-right: none; border-bottom: none; }
.card:nth-child(3n) { border-right: none; }

@media (max-width: 768px) {
  .cards { display: block; }
  .card { border-right: none; }
}

.card__category {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--raspberry);
  margin-bottom: 0.75rem;
}

.card__title {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--black);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.card__excerpt {
  font-size: 13px;
  color: #555555;
  margin-bottom: 1.5rem;
  line-height: 1.7;
  font-weight: 400;
}

.card__link {
  font-size: 13px;
  color: var(--black);
  border-bottom: 1px solid var(--black);
  transition: var(--transition);
}

.card__link:hover {
  color: var(--navy);
  border-bottom-color: var(--navy);
}

/* ===========================
   ARTICLES GRID
=========================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 0;
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.article-card {
  padding: 2rem;
  background: var(--white);
  border-right: 1px solid var(--gray-line);
  border-bottom: 1px solid var(--gray-line);
  border-top: 4px solid var(--raspberry);
  transition: var(--transition);
}

.article-card:hover {
  border-top-color: var(--navy);
  transform: translateY(-2px);
}

.article-card:last-child { border-right: none; border-bottom: none; }

@media (max-width: 768px) {
  .articles-grid { display: block; }
  .article-card { border-right: none; }
}

.article-card__meta {
  font-size: 12px;
  color: var(--gray-text);
  margin-bottom: 0.75rem;
}

.article-card__title {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--black);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.article-card__excerpt {
  font-size: 13px;
  color: #555555;
  margin-bottom: 1.5rem;
  line-height: 1.7;
  font-weight: 400;
}

.article-card__link {
  font-size: 13px;
  color: var(--black);
  border-bottom: 1px solid var(--black);
  transition: var(--transition);
}

.article-card__link:hover {
  color: var(--navy);
  border-bottom-color: var(--navy);
}

/* ===========================
   EPISODES LIST
=========================== */
.episodes-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.episode-item {
  padding: 2rem;
  background: var(--white);
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  border-bottom: 1px solid var(--gray-line);
  border-left: 4px solid var(--navy);
  align-items: flex-start;
  transition: var(--transition);
}

.episode-item:hover {
  border-left-color: var(--raspberry);
  transform: translateX(4px);
}

.episode-item:last-child { border-bottom: none; }

.episode-number {
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--gray-text);
  text-align: center;
}

.episode-content { }

.episode-date {
  font-size: 12px;
  color: var(--gray-text);
  margin-bottom: 0.5rem;
}

.episode-title {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--black);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.episode-description {
  font-size: 13px;
  color: #333333;
  margin-bottom: 1rem;
  line-height: 1.7;
  font-weight: 400;
}

.episode-link {
  font-size: 13px;
  color: var(--black);
  border-bottom: 1px solid var(--black);
  transition: var(--transition);
}

.episode-link:hover {
  color: var(--navy);
  border-bottom-color: var(--navy);
}

/* ===========================
   FOOTER
=========================== */
.footer {
  background: var(--black);
  color: var(--white);
  padding: var(--spacing-section) var(--spacing-inner);
  border-top: 1px solid var(--gray-line);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.footer__copy {
  font-size: 13px;
  opacity: 0.7;
}

.footer__nav {
  display: flex;
  gap: 2rem;
}

.footer__nav a {
  font-size: 13px;
  color: var(--white);
  transition: var(--transition);
}

.footer__nav a:hover {
  opacity: 0.7;
}

@media (max-width: 768px) {
  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
  .footer__nav { justify-content: center; }
}

/* ===========================
   ARTICLE CONTENT
=========================== */
.article-header {
  background: var(--white);
  padding: var(--spacing-section) 0;
  border-bottom: 1px solid var(--gray-line);
}

.article-content {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--spacing-section) var(--spacing-inner);
}

.article-content p {
  margin-bottom: 1.5rem;
}

.article-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  color: var(--black);
  font-size: 14px;
  border-bottom: 1px solid var(--black);
  transition: var(--transition);
}

.back-link:hover {
  color: var(--navy);
  border-bottom-color: var(--navy);
}

.articles-header,
.podcast-header {
  background: var(--white);
  padding: var(--spacing-section) 0;
  border-bottom: 1px solid var(--gray-line);
}

/* ===========================
   UTILITIES
=========================== */
.section__cta {
  text-align: center;
  margin-top: 2.5rem;
}

/* Tenké linky místo mezer */
.divider {
  height: 1px;
  background: var(--gray-line);
  margin: 3rem 0;
}

/* Color highlight classes */
.text-raspberry {
  color: var(--raspberry);
  font-weight: 500;
}

.text-navy {
  color: var(--navy);
  font-weight: 500;
}

.text-bold {
  font-weight: 500;
  color: var(--black);
}