/* ════════════════════════════════════════
   LANDING — sections specific to index
   ════════════════════════════════════════ */

/* ── Company section ── */
.company {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
}

.company__inner {
  max-width: 540px;
}

.company__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.75rem;
}

.company__text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-2);
  margin-bottom: 0.5rem;
}

.company__text strong {
  color: var(--text-1);
  font-weight: 500;
}

/* ── Product intro ── */
.product-intro {
  padding: 5rem 0 4rem;
  border-top: 1px solid var(--border);
}

.product-intro__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.6rem;
}

.product-intro__headline {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-1);
  max-width: 500px;
  margin-bottom: 0.75rem;
}

.product-intro__desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-2);
  max-width: 520px;
  margin-bottom: 2rem;
}

.product-intro__bullets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 2rem;
  max-width: 520px;
  list-style: none;
  padding: 0;
}

.product-intro__bullet {
  font-size: 0.8125rem;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  line-height: 1.45;
}

.product-intro__bullet svg {
  width: 14px;
  height: 14px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ── Visual preview ── */
.previews {
  padding: 0 0 5rem;
}

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

.preview-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.preview-card:hover {
  border-color: rgba(26, 107, 90, 0.2);
}

.preview-card img {
  width: 100%;
  display: block;
  border-bottom: 1px solid var(--border);
}

.preview-card__body {
  padding: 1rem 1.25rem;
}

.preview-card__title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 0.2rem;
}

.preview-card__desc {
  font-size: 0.75rem;
  color: var(--text-3);
  line-height: 1.5;
}

@media (max-width: 640px) {
  .previews__grid { grid-template-columns: 1fr; }
}

/* ── Problems ── */
.problems {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

.problems__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.6rem;
}

.problems__headline {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-1);
  max-width: 460px;
  margin-bottom: 2.25rem;
}

.problems__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.problem-card {
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.problem-card__title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 0.25rem;
}

.problem-card__text {
  font-size: 0.8125rem;
  color: var(--text-3);
  line-height: 1.55;
}

@media (max-width: 640px) {
  .problems__grid { grid-template-columns: 1fr; }
  .product-intro__bullets { grid-template-columns: 1fr; }
}

/* ── Differentiator ── */
.different {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
}

.different__headline {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.65rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-1);
  max-width: 420px;
  margin-bottom: 1.75rem;
}

.different__list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: 520px;
}

.different__item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.5;
}

.different__item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.different__item svg.x-icon {
  color: #c0392b;
  opacity: 0.5;
}

.different__item svg.check-icon {
  color: var(--accent);
}

.different__item strong {
  color: var(--text-1);
  font-weight: 500;
}

/* ── How it works ── */
.how {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

.how__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 2rem;
}

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

.how__step {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.how__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent);
  font-weight: 500;
}

.how__step-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-1);
}

.how__step-text {
  font-size: 0.8125rem;
  color: var(--text-3);
  line-height: 1.5;
}

@media (max-width: 640px) {
  .how__steps { grid-template-columns: 1fr 1fr; }
}

/* ── Expandable details ── */
.details {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

.details__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.6rem;
}

.details__headline {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-1);
  margin-bottom: 2rem;
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.accordion__item {
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.accordion__item:last-child {
  border-bottom: none;
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  transition: background 0.15s ease;
}

.accordion__trigger:hover {
  background: var(--bg-subtle);
}

.accordion__trigger-left {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.accordion__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-1);
}

.accordion__summary {
  font-size: 0.75rem;
  color: var(--text-3);
}

.accordion__icon {
  width: 18px;
  height: 18px;
  color: var(--text-3);
  transition: transform 0.25s var(--ease);
  flex-shrink: 0;
}

.accordion__item.open .accordion__icon {
  transform: rotate(180deg);
}

.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease);
}

.accordion__item.open .accordion__body {
  max-height: 600px;
}

.accordion__content {
  padding: 0 1.5rem 1.5rem;
}

.accordion__content img {
  width: 100%;
  border-radius: 6px;
  border: 1px solid var(--border);
  margin-bottom: 1rem;
}

.accordion__content ul {
  padding-left: 1.1rem;
}

.accordion__content li {
  font-size: 0.8125rem;
  color: var(--text-2);
  line-height: 1.55;
  margin-bottom: 0.25rem;
}

/* ── Proof grid responsive ── */
@media (max-width: 640px) {
  [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}

/* ── Feature tabs showcase ── */
.features-tabs {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

.features-tabs__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.6rem;
}

.features-tabs__headline {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-1);
  margin-bottom: 0.5rem;
}

.features-tabs__sub {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.6;
  max-width: 520px;
  margin-bottom: 2.5rem;
}

.features-tabs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.features-tabs__grid .preview-card {
  max-width: none;
}

@media (max-width: 840px) {
  .features-tabs__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 540px) {
  .features-tabs__grid { grid-template-columns: 1fr; }
}

/* ── Config showcase ── */
.config-showcase {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

.config-showcase__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.config-showcase__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.6rem;
}

.config-showcase__headline {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.65rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-1);
  margin-bottom: 0.75rem;
}

.config-showcase__desc {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.config-showcase__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.config-showcase__list li {
  font-size: 0.8125rem;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  line-height: 1.45;
}

.config-showcase__list li svg {
  width: 14px;
  height: 14px;
  color: var(--accent);
  flex-shrink: 0;
}

.config-showcase__image {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.config-showcase__image img {
  width: 100%;
  display: block;
}

@media (max-width: 740px) {
  .config-showcase__inner {
    grid-template-columns: 1fr;
  }
}

/* ── Portfolio signal ── */
.portfolio {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.portfolio__text {
  font-size: 0.8125rem;
  color: var(--text-3);
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.6;
}

.portfolio__text strong {
  color: var(--text-2);
  font-weight: 500;
}