/* ========== Hero banner ========== */
.main-banner-container {
  width: 100%;
  position: relative;
  display: block;
  max-height: 70vh;
  overflow: hidden;
}

.main-banner-container img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: center;
  max-height: 70vh;
}

.main-banner-container .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.15) 45%, transparent 70%);
  z-index: 1;
}

.main-banner-container .text-overlay {
  font-family: 'Sputnik', sans-serif;
  font-size: var(--font-size-h1-hero);
  color: var(--main-white);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
  text-align: left;
  position: absolute;
  z-index: 2;
  top: 50%;
  left: clamp(1rem, 4vw, 2.5rem);
  transform: translate(0, -50%);
  max-width: 90%;
  animation: indexFadeIn 0.8s ease-out forwards;
}

.main-banner-container .text-overlay p {
  margin: 0.2em 0;
  line-height: 1.2;
}

@keyframes indexFadeIn {
  from {
    opacity: 0;
    transform: translate(1.5rem, -50%);
  }
  to {
    opacity: 1;
    transform: translate(0, -50%);
  }
}

/* ========== Main idea (thought) ========== */
.container-thought {
  margin: var(--space-section) auto;
  max-width: 52rem;
  padding: 0 clamp(1rem, 4vw, 2rem);
}

.index-thought-card {
  background: var(--main-white);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--main-muted);
}

.container-thought .thought {
  color: var(--main-color);
  margin: 0 0 1.25rem 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.container-thought .thought .glow {
  flex-shrink: 0;
}

.container-thought .thought .glow img {
  width: clamp(40px, 5vw, 52px);
  height: auto;
}

.container-thought .thought h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: var(--font-size-h2);
  margin: 0;
  text-transform: none;
  letter-spacing: 0.02em;
}

.container-thought .text {
  margin: 0;
  font-size: var(--font-size-body);
  line-height: 1.7;
}

.container-thought .text p {
  margin: 0.75em 0;
}

.container-thought .text p:first-child {
  margin-top: 0;
}

/* ========== What we buy ========== */
.index-what-we-buy {
  background: linear-gradient(180deg, rgba(9, 133, 7, 0.04) 0%, var(--page-bg) 100%);
  padding: var(--space-section) clamp(1rem, 4vw, 2.5rem);
  margin: var(--space-section) 0 0;
  border-top: 1px solid var(--main-muted);
}

.index-what-we-buy__inner {
  max-width: 64rem;
  margin: 0 auto;
}

.index-what-we-buy__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: var(--font-size-h2);
  color: var(--main-color);
  text-align: center;
  margin: 0 0 1.5rem 0;
}

.index-what-we-buy__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 3vw, 1.5rem);
  list-style: none;
  padding: 0;
  margin: 0;
}

.index-buy-card {
  background: var(--main-white);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(9, 133, 7, 0.08);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.index-buy-card:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.index-buy-card__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--main-color);
  margin: 0 0 0.5rem 0;
}

.index-buy-card__text {
  font-size: var(--font-size-body);
  line-height: 1.6;
  color: var(--text-primary);
  margin: 0;
}

/* ========== Philosophy ========== */
.container-principal-philosophy {
  margin: var(--space-section) auto;
  max-width: 64rem;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
}

.container-principal-philosophy .header-principal-philosophy {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--main-color);
  font-size: var(--font-size-h2);
  text-align: center;
  margin: 0 0 1.5rem 0;
}

.container-principal-philosophy .header-principal-philosophy h2 {
  margin: 0;
  text-transform: none;
  letter-spacing: 0.01em;
}

.index-philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 3vw, 1.5rem);
  list-style: none;
  padding: 0;
  margin: 0;
}

.index-philosophy-card {
  background: var(--main-white);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--main-muted);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.index-philosophy-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  border-color: rgba(9, 133, 7, 0.2);
}

.index-philosophy-card__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.index-philosophy-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.index-philosophy-card__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--main-color);
  margin: 0;
}

.index-philosophy-card__text {
  font-size: var(--font-size-body);
  line-height: 1.6;
  color: var(--text-primary);
  margin: 0;
}

/* ========== Contribution strip ========== */
.contribution-container {
  margin: var(--space-section) clamp(1rem, 4vw, 3rem);
}

.section-split {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(9, 133, 7, 0.12) 0%, rgba(9, 133, 7, 0.04) 100%);
  border: 1px solid var(--main-muted);
  box-shadow: var(--shadow-soft);
  text-align: center;
  overflow: hidden;
}

.section-split::before {
  content: '';
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at 20% 30%, rgba(9, 133, 7, 0.14) 0%, transparent 55%),
    radial-gradient(circle at 80% 70%, rgba(9, 133, 7, 0.08) 0%, transparent 60%);
  transform: rotate(-8deg);
  pointer-events: none;
}

.section-split h2 {
  position: relative;
  margin: 0;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: var(--font-size-h2);
  color: var(--main-color-dark);
  letter-spacing: 0.01em;
}

/* ========== Invite CTA ========== */
.container-invite {
  font-size: var(--font-size-body);
  margin: var(--space-section) auto;
  max-width: 52rem;
  padding: 0 clamp(1rem, 4vw, 2rem);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.container-invite .text {
  flex: 1 1 280px;
  max-width: 65ch;
}

.container-invite .text p {
  margin: 0.5em 0;
  line-height: 1.6;
}

.container-invite__btn {
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.custom-btn {
  min-width: 180px;
  padding: 0.9rem 1.75rem;
  color: var(--main-white);
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  background: var(--main-color);
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
  outline: none;
  box-shadow: 0 4px 14px rgba(9, 133, 7, 0.35);
}

.custom-btn:hover {
  background: var(--main-color-dark);
  box-shadow: 0 6px 20px rgba(9, 133, 7, 0.4);
}

.custom-btn:active {
  transform: translateY(1px);
}

.btn-2 {
  background: var(--main-color);
}

.btn-2:hover {
  background: var(--main-color-dark);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .index-what-we-buy__grid,
  .index-philosophy-grid {
    grid-template-columns: 1fr;
  }

  .container-invite {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .main-banner-container img {
    content: url("../img/common/main_banner_ph.webp");
  }

  .main-banner-container .text-overlay {
    font-size: clamp(1.1rem, 5vw, 1.4rem);
    left: 1rem;
  }

  .container-thought {
    margin: var(--space-section) 1rem;
  }

  .index-thought-card {
    padding: 1.25rem;
  }

  .container-thought .thought {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 1rem;
  }

  .container-thought .thought .glow img {
    width: 48px;
  }

  .index-what-we-buy {
    padding: var(--space-block) 1rem;
    margin-top: var(--space-block);
  }

  .index-what-we-buy__title {
    font-size: var(--font-size-h2);
  }

  .index-buy-card {
    padding: 1.25rem 1rem;
  }

  .container-principal-philosophy {
    margin: var(--space-block) 1rem;
  }

  .container-principal-philosophy .header-principal-philosophy {
    font-size: var(--font-size-h2);
  }

  .index-philosophy-card {
    padding: 1.25rem 1rem;
    flex-direction: row;
    align-items: flex-start;
    gap: 1rem;
  }

  .index-philosophy-card__icon {
    width: 40px;
    height: 40px;
  }

  .contribution-container {
    margin: var(--space-block) 1rem;
  }

  .container-invite {
    margin: var(--space-block) 1rem;
  }

  .custom-btn {
    width: 100%;
    max-width: 280px;
    padding: 0.9rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .main-banner-container .text-overlay {
    left: 1rem;
  }

  .index-philosophy-card {
    flex-direction: column;
    align-items: flex-start;
  }
}