/* ============================================
   BASALT BIO — HOME.CSS
   Homepage sections
   ============================================ */

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: calc(100vh - var(--bb-banner-h) - var(--bb-nav-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: var(--bb-sp-8) 0 var(--bb-sp-9);
  background: transparent;
}

.hero__pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(60deg, rgba(45, 133, 89, 0.8) 1px, transparent 1px),
    linear-gradient(-60deg, rgba(45, 133, 89, 0.8) 1px, transparent 1px);
  background-size: 80px 140px;
  opacity: 0.02;
  pointer-events: none;
}

.hero__grain {
  display: none;
}

.hero__crack {
  display: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: 880px;
}

.hero__eyebrow {
  display: inline-block;
  font-size: var(--bb-fs-xs);
  letter-spacing: 0.28em;
  text-transform: lowercase;
  color: var(--bb-forest-hot);
  font-weight: 600;
  margin-bottom: var(--bb-sp-5);
  padding: 6px 0;
  border-top: 1px solid var(--bb-forest-dim);
  border-bottom: 1px solid var(--bb-forest-dim);
  animation: hero-reveal 800ms var(--bb-ease-out) 100ms both;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 6rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin-bottom: var(--bb-sp-6);
  text-transform: lowercase;
}

.hero__title-1 {
  display: block;
  color: var(--bb-text);
  animation: hero-reveal 900ms var(--bb-ease-out) 200ms both;
}

.hero__title-2 {
  display: block;
  color: var(--bb-text);
  font-weight: 500;
  animation: hero-reveal 900ms var(--bb-ease-out) 350ms both;
}

.hero__title-2 .amber-dot { color: var(--bb-forest-hot); }

@keyframes hero-reveal {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__sub {
  font-size: var(--bb-fs-md);
  color: var(--bb-text-dim);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: var(--bb-sp-6);
  animation: hero-reveal 900ms var(--bb-ease-out) 500ms both;
}

.hero__actions {
  display: flex;
  gap: var(--bb-sp-3);
  flex-wrap: wrap;
  animation: hero-reveal 900ms var(--bb-ease-out) 650ms both;
}

.hero__scrollhint {
  position: absolute;
  bottom: var(--bb-sp-6);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--bb-text-muted);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: lowercase;
  font-weight: 500;
  animation: hero-reveal 900ms var(--bb-ease-out) 900ms both;
}

.scrollhint__arrow {
  width: 14px;
  height: 14px;
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50%      { transform: translateY(6px); opacity: 1; }
}

/* ============================================
   FLAGSHIP GRID
   ============================================ */
.flagship-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--bb-border);
  border: 1px solid var(--bb-border);
}

@media (max-width: 900px) { .flagship-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .flagship-grid { grid-template-columns: 1fr; } }

.flagship-grid .compound-card { border: none; }

/* ============================================
   PROTOCOLS SECTION
   ============================================ */
.protocols-section {
  background:
    linear-gradient(180deg, var(--bb-bg) 0%, var(--bb-surface-1) 50%, var(--bb-bg) 100%);
  position: relative;
}

.protocols-intro {
  max-width: 640px;
  font-size: var(--bb-fs-md);
  color: var(--bb-text-dim);
  line-height: 1.7;
  margin-bottom: var(--bb-sp-6);
}

.protocols-grid {
  display: flex;
  gap: var(--bb-sp-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0 var(--bb-sp-2) var(--bb-sp-5);
  margin: 0 calc(var(--bb-sp-5) * -1) var(--bb-sp-6);
  padding-left: var(--bb-sp-5);
  padding-right: var(--bb-sp-5);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--bb-forest) transparent;
}

.protocols-grid::-webkit-scrollbar { height: 6px; }
.protocols-grid::-webkit-scrollbar-track { background: transparent; }
.protocols-grid::-webkit-scrollbar-thumb { background: var(--bb-forest); border-radius: 3px; }

.protocols-grid > .stack-card {
  min-width: 320px;
  max-width: 360px;
  flex: 0 0 auto;
  scroll-snap-align: start;
  scroll-margin-left: var(--bb-sp-5);
}

@media (min-width: 900px) {
  .protocols-grid > .stack-card { min-width: 340px; }
}

.protocols-footer {
  text-align: center;
  padding-top: var(--bb-sp-5);
  border-top: 1px solid var(--bb-border);
}

/* ============================================
   BEDROCK REWARDS
   ============================================ */
.bedrock {
  padding: var(--bb-sp-9) 0;
  background:
    radial-gradient(ellipse at center, rgba(26, 95, 63, 0.12), transparent 70%),
    var(--bb-surface-1);
  border-top: 1px solid var(--bb-border);
  border-bottom: 1px solid var(--bb-border);
  position: relative;
  overflow: hidden;
}

.bedrock::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(60deg, var(--bb-forest-hot) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.025;
  pointer-events: none;
}

.bedrock__inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.bedrock__eyebrow {
  font-size: var(--bb-fs-xs);
  letter-spacing: 0.28em;
  text-transform: lowercase;
  color: var(--bb-forest-hot);
  font-weight: 600;
  margin-bottom: var(--bb-sp-4);
}

.bedrock__title {
  font-size: clamp(3rem, 9vw, 6rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--bb-text);
  margin-bottom: var(--bb-sp-3);
}

.bedrock__subtitle {
  font-size: var(--bb-fs-md);
  color: var(--bb-text-dim);
  letter-spacing: 0.02em;
  margin-bottom: var(--bb-sp-7);
}

.bedrock__tiers {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--bb-sp-4);
  margin-bottom: var(--bb-sp-7);
  flex-wrap: wrap;
}

.bedrock__tier {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--bb-sp-2);
}

.bedrock__tier-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid var(--bb-forest-dim);
  border-radius: 50%;
  color: var(--bb-forest-hot);
  transition: all var(--bb-dur) var(--bb-ease);
}

.bedrock__tier-icon svg { width: 24px; height: 24px; }

.bedrock__tier:hover .bedrock__tier-icon {
  border-color: var(--bb-forest-hot);
  box-shadow: 0 0 0 6px var(--bb-forest-glow);
}

.bedrock__tier-name {
  font-size: var(--bb-fs-xs);
  letter-spacing: 0.24em;
  text-transform: lowercase;
  color: var(--bb-text);
  font-weight: 700;
}

.bedrock__tier-rate {
  font-size: var(--bb-fs-sm);
  color: var(--bb-forest-hot);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-top: 2px;
}

.bedrock__tier-threshold {
  font-size: 10px;
  color: var(--bb-text-muted);
  letter-spacing: 0.08em;
  text-transform: lowercase;
  max-width: 180px;
  text-align: center;
  line-height: 1.4;
  margin-top: 4px;
}

.bedrock__tier-connector {
  width: 32px;
  height: 1px;
  background: var(--bb-border-hot);
  align-self: center;
  margin-top: 26px;
}

@media (max-width: 560px) { .bedrock__tier-connector { display: none; } }

.bedrock__rule {
  font-size: var(--bb-fs-sm);
  color: var(--bb-text-dim);
  letter-spacing: 0.04em;
  margin-bottom: var(--bb-sp-6);
}

.bedrock__rule strong { color: var(--bb-forest-hot); font-weight: 600; }

/* ============================================
   STANDARDS
   ============================================ */
.standards {
  padding: var(--bb-sp-9) 0;
}

.standards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--bb-sp-5);
}

@media (max-width: 900px) { .standards-grid { grid-template-columns: 1fr; gap: var(--bb-sp-4); } }

.standard {
  padding: var(--bb-sp-6);
  background: var(--bb-surface-1);
  border: 1px solid var(--bb-border);
  display: flex;
  flex-direction: column;
  gap: var(--bb-sp-3);
  transition: border-color var(--bb-dur) var(--bb-ease);
  position: relative;
  overflow: hidden;
}

.standard::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--bb-forest-hot);
  transition: width var(--bb-dur) var(--bb-ease);
}

.standard:hover { border-color: var(--bb-border-hot); }
.standard:hover::before { width: 100%; }

.standard__icon {
  width: 40px;
  height: 40px;
  color: var(--bb-forest-hot);
  margin-bottom: var(--bb-sp-3);
}

.standard__title {
  font-size: var(--bb-fs-md);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--bb-text);
  text-transform: lowercase;
}

.standard__body {
  font-size: var(--bb-fs-sm);
  color: var(--bb-text-dim);
  line-height: 1.7;
}

/* ============================================
   BLOG TEASER
   ============================================ */
.blog-teaser {
  padding: var(--bb-sp-9) 0;
  border-top: 1px solid var(--bb-border);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--bb-sp-4);
}

@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr; } }

/* ============================================
   INSTAGRAM FOLLOW-ALONG — homepage section
   Editorial "journal off-site" presentation.
   Left column: copy + handle CTA.
   Right column: 2x2 grid of branded post tiles.
   ============================================ */
.ig-follow {
  padding: var(--bb-sp-9) 0;
  position: relative;
}

.ig-follow__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--bb-sp-8);
  align-items: center;
}

@media (max-width: 900px) {
  .ig-follow__inner {
    grid-template-columns: 1fr;
    gap: var(--bb-sp-6);
  }
}

.ig-follow__eyebrow {
  font-size: var(--bb-fs-xs);
  letter-spacing: 0.28em;
  text-transform: lowercase;
  color: var(--bb-forest-hot);
  font-weight: 600;
  margin-bottom: var(--bb-sp-4);
}

.ig-follow__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--bb-text);
  text-transform: lowercase;
  margin-bottom: var(--bb-sp-4);
}

.ig-follow__body {
  color: var(--bb-text-dim);
  line-height: 1.7;
  max-width: 440px;
  margin-bottom: var(--bb-sp-6);
  font-size: var(--bb-fs-md);
}

.ig-follow__handle {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border: 1px solid var(--bb-forest);
  border-radius: 100px;
  color: var(--bb-text);
  font-size: var(--bb-fs-base);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  transition: all var(--bb-dur) var(--bb-ease);
  text-decoration: none;
  background: linear-gradient(
    135deg,
    rgba(45, 133, 89, 0.08) 0%,
    rgba(30, 58, 95, 0.10) 100%
  );
}

.ig-follow__handle-icon {
  width: 20px;
  height: 20px;
  color: var(--bb-forest-hot);
  transition: transform var(--bb-dur) var(--bb-ease);
  flex: 0 0 auto;
}

.ig-follow__handle-arrow {
  width: 16px;
  height: 16px;
  opacity: 0.6;
  transition: transform var(--bb-dur) var(--bb-ease), opacity var(--bb-dur) var(--bb-ease);
  flex: 0 0 auto;
}

.ig-follow__handle:hover {
  border-color: var(--bb-forest-hot);
  background: linear-gradient(
    135deg,
    rgba(45, 133, 89, 0.18) 0%,
    rgba(30, 58, 95, 0.22) 100%
  );
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4),
              0 0 0 6px var(--bb-forest-glow);
}

.ig-follow__handle:hover .ig-follow__handle-icon {
  transform: rotate(-4deg) scale(1.1);
}

.ig-follow__handle:hover .ig-follow__handle-arrow {
  transform: translateX(4px);
  opacity: 1;
}

.ig-follow__handle-text {
  font-feature-settings: 'tnum';
}

/* --- The faux Instagram tile grid --- */
.ig-follow__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--bb-sp-3);
  aspect-ratio: 1 / 1;
  max-width: 520px;
  margin-left: auto;
  width: 100%;
}

@media (max-width: 900px) {
  .ig-follow__grid {
    margin: 0 auto;
    max-width: 440px;
  }
}

@media (max-width: 560px) {
  .ig-follow__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--bb-sp-2);
    max-width: 100%;
  }
}

.ig-follow__tile {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  padding: var(--bb-sp-4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--bb-border);
  transition: all var(--bb-dur) var(--bb-ease);
  cursor: default;
}

.ig-follow__tile::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, rgba(255,255,255,0.02) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,0.02) 25%, transparent 25%);
  background-size: 20px 20px;
  opacity: 0.6;
  pointer-events: none;
}

.ig-follow__tile--1 {
  background: linear-gradient(135deg, #0a1a3a 0%, #040814 60%, #051a2a 100%);
}

.ig-follow__tile--2 {
  background: linear-gradient(135deg, #0a2420 0%, #040814 60%, #052218 100%);
}

.ig-follow__tile--3 {
  background:
    radial-gradient(circle at 30% 30%, rgba(45, 133, 89, 0.18) 0%, transparent 50%),
    linear-gradient(135deg, #041020 0%, #000 100%);
}

.ig-follow__tile--4 {
  background:
    radial-gradient(circle at 70% 70%, rgba(176, 120, 101, 0.16) 0%, transparent 50%),
    linear-gradient(135deg, #040814 0%, #0a0608 100%);
}

.ig-follow__tile:hover {
  transform: translateY(-2px);
  border-color: var(--bb-forest-hot);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

.ig-follow__tile-tag {
  position: relative;
  z-index: 2;
  display: inline-block;
  align-self: flex-start;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: var(--bb-forest-hot);
  font-weight: 600;
  padding: 4px 10px;
  background: rgba(4, 8, 20, 0.6);
  border: 1px solid var(--bb-forest-dim);
  border-radius: 100px;
  backdrop-filter: blur(8px);
}

.ig-follow__tile-caption {
  position: relative;
  z-index: 2;
  font-size: var(--bb-fs-sm);
  color: var(--bb-text);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.3;
  text-transform: lowercase;
  max-width: 90%;
}

/* Mobile: stack the copy above the grid, center the handle */
@media (max-width: 900px) {
  .ig-follow__copy { text-align: center; }
  .ig-follow__body { margin-left: auto; margin-right: auto; }
}

/* ============================================
   PRE-ORDER EXPLAINER — homepage section
   ============================================ */
.preorder {
  padding: var(--bb-sp-9) 0;
  position: relative;
}

.preorder__inner {
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

.preorder__ribbon {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: lowercase;
  font-weight: 600;
  color: var(--bb-forest-hot);
  padding: 6px 16px;
  border: 1px solid var(--bb-forest-hot);
  border-radius: 100px;
  margin-bottom: var(--bb-sp-5);
  background: var(--bb-forest-glow);
}

.preorder__title {
  font-size: clamp(2rem, 5.5vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--bb-text);
  text-transform: lowercase;
  margin-bottom: var(--bb-sp-4);
}

.preorder__sub {
  color: var(--bb-text-dim);
  font-size: var(--bb-fs-md);
  max-width: 560px;
  margin: 0 auto var(--bb-sp-7);
  line-height: 1.6;
}

.preorder__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--bb-sp-4);
  margin-bottom: var(--bb-sp-7);
  text-align: left;
}

@media (max-width: 700px) {
  .preorder__grid { grid-template-columns: 1fr; }
}

.preorder__card {
  padding: var(--bb-sp-5);
  border: 1px solid var(--bb-border);
  border-top: 2px solid var(--bb-forest-hot);
  background: rgba(14, 26, 21, 0.78);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: transform var(--bb-dur) var(--bb-ease),
              border-color var(--bb-dur) var(--bb-ease);
}

.preorder__card:hover {
  transform: translateY(-3px);
  border-color: var(--bb-border-hot);
  border-top-color: var(--bb-forest-hot);
}

.preorder__card-num {
  font-family: var(--bb-font-mono);
  font-size: var(--bb-fs-xs);
  letter-spacing: 0.14em;
  color: var(--bb-forest-hot);
  margin-bottom: var(--bb-sp-3);
  font-weight: 600;
}

.preorder__card-title {
  font-size: var(--bb-fs-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--bb-text);
  text-transform: lowercase;
  margin-bottom: var(--bb-sp-3);
}

.preorder__card-body {
  font-size: var(--bb-fs-sm);
  color: var(--bb-text-dim);
  line-height: 1.6;
}

.preorder__actions {
  display: flex;
  gap: var(--bb-sp-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--bb-sp-5);
}

.preorder__fine {
  font-size: var(--bb-fs-xs);
  letter-spacing: 0.08em;
  color: var(--bb-text-faint);
  text-transform: lowercase;
}