/* ==========================================================
   OpenBibleLab — Main Stylesheet
   Brand Colors: Charcoal #1c1c1c, Blue #5b8fc9, Off-white #f8f8f6
   Fonts: Cormorant Garamond (headings), Inter (body)
   ========================================================== */

/* ---- Custom Properties ---- */
:root {
  --color-dark: #1c1c1c;
  --color-dark-soft: #2a2a2a;
  --color-blue: #5b8fc9;
  --color-blue-dark: #3d6fa8;
  --color-blue-light: #d6e5f5;
  --color-white: #ffffff;
  --color-off-white: #f8f8f6;
  --color-gray-light: #efefed;
  --color-gray: #999;
  --color-text: #1c1c1c;
  --color-text-soft: #555;
  --color-border: #e2e2e0;

  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --max-width: 1140px;
  --section-padding: 5rem 1.5rem;
  --radius: 4px;
  --radius-lg: 10px;
  --shadow: 0 2px 16px rgba(0,0,0,0.08);
  --shadow-hover: 0 6px 28px rgba(0,0,0,0.14);
  --transition: 0.2s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--color-blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-blue-dark); }

ul, ol { list-style: none; }

/* ---- Typography ---- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-dark);
  font-weight: 600;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }

p { margin-bottom: 1.2rem; }
p:last-child { margin-bottom: 0; }

.section-label {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 0.75rem;
}

/* ---- Layout Helpers ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container--narrow { max-width: 760px; margin: 0 auto; padding: 0 1.5rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-blue);
  color: var(--color-white);
  border-color: var(--color-blue);
}
.btn-primary:hover {
  background: var(--color-blue-dark);
  border-color: var(--color-blue-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.btn-outline {
  background: transparent;
  color: var(--color-blue);
  border-color: var(--color-blue);
}
.btn-outline:hover {
  background: var(--color-blue);
  color: var(--color-white);
}

.btn-dark {
  background: var(--color-dark);
  color: var(--color-white);
  border-color: var(--color-dark);
}
.btn-dark:hover {
  background: var(--color-dark-soft);
  color: var(--color-white);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-dark);
  border-color: var(--color-white);
}
.btn-white:hover {
  background: var(--color-off-white);
  color: var(--color-dark);
}

/* ---- Navigation ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.nav__logo img {
  height: 44px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-soft);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-dark);
}

.nav__cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ---- Mobile Nav ---- */
.nav__mobile {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  z-index: 99;
  padding: 2rem 1.5rem;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile a {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-dark);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

/* ---- Hero Section ---- */
.hero {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 6rem 1.5rem 5rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/hero-banner.png') center/cover no-repeat;
  opacity: 0.18;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
}

.hero .section-label { color: var(--color-blue-light); }

.hero h1 {
  color: var(--color-white);
  margin-bottom: 1.25rem;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 700;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.78);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  font-family: var(--font-body);
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- Section Styles ---- */
.section { padding: var(--section-padding); }
.section--bg { background: var(--color-off-white); }
.section--dark {
  background: var(--color-dark);
  color: var(--color-white);
}
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--color-white); }
.section--dark p { color: rgba(255,255,255,0.78); }
.section--dark .section-label { color: var(--color-blue-light); }

.section__header {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 660px;
  margin-left: auto;
  margin-right: auto;
}

.section__header p {
  color: var(--color-text-soft);
  font-size: 1.05rem;
}

/* ---- Cards ---- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.card__img {
  aspect-ratio: 16/9;
  background: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.card__img img { width: 100%; height: 100%; object-fit: cover; }

.card__img--book {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-dark) 0%, #2d3550 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.card__img--book h3 {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-size: 1.5rem;
  text-align: center;
  font-weight: 700;
}

.card__body { padding: 1.5rem; }
.card__body h3 { margin-bottom: 0.6rem; font-size: 1.2rem; }
.card__body p { color: var(--color-text-soft); font-size: 0.92rem; margin-bottom: 1.2rem; }

.card--book .card__body { padding: 1.2rem 1.5rem 1.5rem; }

/* ---- Book Cards (in Bible Study list) ---- */
.book-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: all var(--transition);
}

.book-card:hover {
  border-color: var(--color-blue);
  box-shadow: var(--shadow);
}

.book-card__num {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--color-blue);
  font-weight: 700;
  min-width: 2.5rem;
  text-align: center;
  opacity: 0.5;
}

.book-card__content { flex: 1; }
.book-card__content h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 0.3rem;
}
.book-card__content p {
  font-size: 0.85rem;
  color: var(--color-text-soft);
  margin: 0;
  line-height: 1.5;
}

.book-card__action { flex-shrink: 0; }

/* ---- Email Signup Section ---- */
.signup {
  background: linear-gradient(135deg, var(--color-dark) 0%, #1e2d4a 100%);
  color: var(--color-white);
  padding: 5rem 1.5rem;
  text-align: center;
}

.signup h2 { color: var(--color-white); margin-bottom: 0.75rem; }
.signup p { color: rgba(255,255,255,0.72); max-width: 520px; margin: 0 auto 2.5rem; }

.signup__form {
  display: flex;
  gap: 0.75rem;
  max-width: 540px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.signup__form input {
  flex: 1;
  min-width: 180px;
  padding: 0.85rem 1.2rem;
  border: none;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font-body);
  background: rgba(255,255,255,0.95);
  color: var(--color-dark);
  outline: none;
}

.signup__form input:focus { box-shadow: 0 0 0 3px rgba(91,143,201,0.5); }

.signup__form button {
  background: var(--color-blue);
  color: var(--color-white);
  border: none;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
  font-family: var(--font-body);
  white-space: nowrap;
}

.signup__form button:hover { background: var(--color-blue-dark); }

.signup__disclaimer {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  margin-top: 1rem;
}

/* ---- CTA Block ---- */
.cta-block {
  text-align: center;
  padding: 5rem 1.5rem;
  background: var(--color-off-white);
}

.cta-block--dark {
  background: var(--color-dark);
}

.cta-block--dark h2 { color: var(--color-white); }
.cta-block--dark p { color: rgba(255,255,255,0.72); }

.cta-block h2 { margin-bottom: 1rem; }
.cta-block p { max-width: 520px; margin: 0 auto 2rem; color: var(--color-text-soft); }

.cta-block__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- Mission Snapshot ---- */
.mission {
  padding: 5rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
}

.mission__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

/* ---- Tabs ---- */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 2.5rem;
}

.tab-btn {
  padding: 0.85rem 2rem;
  border: none;
  background: none;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-soft);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}

.tab-btn.active {
  color: var(--color-blue);
  border-bottom-color: var(--color-blue);
}

.tab-btn:hover { color: var(--color-dark); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---- Book Page ---- */
.book-page { padding: 4rem 1.5rem; }

.book-page__header {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 4rem 1.5rem 3rem;
  text-align: center;
}

.book-page__header .section-label { color: var(--color-blue-light); }
.book-page__header h1 { color: var(--color-white); margin-bottom: 1rem; }
.book-page__header p { color: rgba(255,255,255,0.75); max-width: 640px; margin: 0 auto; font-size: 1.05rem; }

.book-page__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  color: var(--color-text-soft);
  font-weight: 500;
  margin-bottom: 2.5rem;
  transition: color var(--transition);
}

.book-page__back:hover { color: var(--color-blue); }

.book-page__video {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 3rem;
  box-shadow: var(--shadow);
  aspect-ratio: 16/9;
  background: var(--color-dark);
}

.book-page__video iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.book-page__content { max-width: 780px; margin: 0 auto; }

.book-section {
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--color-border);
}

.book-section:last-child {
  border-bottom: none;
}

.book-section h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--color-dark);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-blue-light);
  display: inline-block;
}

.book-section p { margin-bottom: 1rem; color: var(--color-text-soft); line-height: 1.8; }

/* ---- Podcast Page ---- */
.episode-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  transition: box-shadow var(--transition);
  margin-bottom: 1.25rem;
}

.episode-card:hover { box-shadow: var(--shadow); }

.episode-card__num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-blue);
  opacity: 0.4;
  min-width: 3rem;
  text-align: right;
  flex-shrink: 0;
}

.episode-card__content h4 { margin-bottom: 0.3rem; }
.episode-card__content p { font-size: 0.88rem; color: var(--color-text-soft); margin-bottom: 0.75rem; }
.episode-card__meta { font-size: 0.78rem; color: var(--color-gray); }

/* ---- Blog ---- */
.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.blog-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.blog-card__img {
  height: 200px;
  background: linear-gradient(135deg, var(--color-dark) 0%, #2d4570 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card__img img { width: 100%; height: 100%; object-fit: cover; }

.blog-card__body { padding: 1.5rem; }
.blog-card__meta { font-size: 0.78rem; color: var(--color-gray); margin-bottom: 0.6rem; }
.blog-card__body h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.blog-card__body p { font-size: 0.9rem; color: var(--color-text-soft); margin-bottom: 1rem; }

/* ---- Prayer Resource Cards ---- */
.prayer-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
  transition: all var(--transition);
}

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

.prayer-card__img {
  height: 240px;
  background: linear-gradient(160deg, var(--color-dark) 0%, #2d4570 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.prayer-card__title {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-size: 1.3rem;
  font-weight: 700;
  text-align: center;
}

.prayer-card__body { padding: 1.5rem; }
.prayer-card__body p { font-size: 0.9rem; color: var(--color-text-soft); margin-bottom: 1.2rem; }

/* ---- About Page ---- */
.about-bio {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 4rem;
  align-items: start;
}

.about-bio__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-gray-light);
  aspect-ratio: 3/4;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-bio__image img { width: 100%; height: 100%; object-fit: cover; }

.placeholder-img {
  background: linear-gradient(135deg, var(--color-dark) 0%, #2d4570 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  opacity: 0.7;
}

/* ---- Footer ---- */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.65);
  padding: 4rem 1.5rem 2rem;
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 2rem;
}

.footer__brand img { height: 48px; margin-bottom: 1rem; }
.footer__brand p { font-size: 0.88rem; line-height: 1.6; max-width: 240px; }

.footer__col h5 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.footer__col a {
  display: block;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 0.75rem;
  transition: color var(--transition);
  text-decoration: none;
}

.footer__col a:hover { color: var(--color-white); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

.footer__social {
  display: flex;
  gap: 1.25rem;
}

.footer__social a {
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
  font-size: 0.88rem;
  text-decoration: none;
}

.footer__social a:hover { color: var(--color-white); }

/* ---- Breadcrumb ---- */
.breadcrumb {
  font-size: 0.82rem;
  color: var(--color-gray);
  margin-bottom: 2rem;
}

.breadcrumb a { color: var(--color-blue); }
.breadcrumb span { margin: 0 0.4rem; }

/* ---- Podcast Show Info ---- */
.podcast-hero {
  background: var(--color-dark);
  padding: 4rem 1.5rem;
  color: var(--color-white);
}

.podcast-hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  align-items: center;
}

.podcast-hero__art {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.podcast-hero__info .section-label { color: var(--color-blue-light); }
.podcast-hero__info h1 { color: var(--color-white); margin-bottom: 1rem; }
.podcast-hero__info p { color: rgba(255,255,255,0.75); margin-bottom: 1.75rem; font-size: 1.05rem; }
.podcast-hero__links { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---- Book page section layout ---- */
.book-intro-box {
  background: var(--color-off-white);
  border-left: 4px solid var(--color-blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.5rem 2rem;
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--color-text-soft);
}

/* ---- Utility ---- */
.text-center { text-align: center; }
.text-blue { color: var(--color-blue); }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

/* ---- Bible Study Book Grid ---- */
.books-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

/* ---- Podcast subscribe buttons ---- */
.subscribe-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--color-white);
  transition: all var(--transition);
  text-decoration: none;
}

.subscribe-btn:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
  color: var(--color-white);
}

/* ---- Stats / Features ---- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.feature__icon {
  width: 56px;
  height: 56px;
  background: var(--color-blue-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-size: 1.4rem;
}

.feature h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.feature p { font-size: 0.9rem; color: var(--color-text-soft); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .about-bio { grid-template-columns: 240px 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  :root { --section-padding: 3.5rem 1.25rem; }

  .nav__links { display: none; }
  .nav__cta .btn { display: none; }
  .nav__hamburger { display: flex; }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .books-list { grid-template-columns: 1fr; }

  .mission { grid-template-columns: 1fr; gap: 2.5rem; }
  .mission__image { order: -1; }

  .footer__top { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; gap: 1rem; text-align: center; }

  .podcast-hero__inner { grid-template-columns: 1fr; }
  .podcast-hero__art { max-width: 200px; }

  .about-bio { grid-template-columns: 1fr; }
  .about-bio__image { max-width: 280px; }

  .features { grid-template-columns: 1fr; gap: 2rem; }

  .hero__actions { flex-direction: column; align-items: center; }
  .cta-block__actions { flex-direction: column; align-items: center; }

  .tabs { overflow-x: auto; }
  .tab-btn { padding: 0.75rem 1.25rem; white-space: nowrap; font-size: 0.85rem; }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.65rem; }

  .book-card { flex-wrap: wrap; }
  .episode-card { flex-direction: column; }
  .episode-card__num { text-align: left; }

  .signup__form { flex-direction: column; }
  .signup__form input, .signup__form button { width: 100%; }
}