/* ============================================================
   OptiSmart page styles
   ============================================================ */

.opti-hero {
  position: relative;
  overflow: hidden;
  background: var(--grad-navy-2);
  color: #fff;
  padding: clamp(120px, 12vw, 170px) 0 clamp(72px, 9vw, 120px);
}
.opti-hero-bg { position: absolute; inset: 0; pointer-events: none; }
.opti-hero-grid { position: absolute; inset: 0; width: 100%; height: 100%; }
.opti-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .55;
}
.opti-glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #00D0FF 0%, transparent 70%);
  top: -150px; right: -100px;
}
.opti-glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #0080FF 0%, transparent 70%);
  bottom: -200px; left: -100px;
  opacity: .35;
}

.opti-hero h1 { color: #fff; max-width: 18ch; }
.opti-hero h1 em { font-style: normal; background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.opti-hero .lede { color: rgba(255,255,255,.74); max-width: 56ch; margin-top: 22px; }

.opti-hero-grid-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (max-width: 1080px) { .opti-hero-grid-content { grid-template-columns: 1fr; } }

.opti-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.opti-brand-mark {
  width: 48px; height: 48px;
  background: rgba(0, 208, 255, .12);
  border: 1px solid rgba(0, 208, 255, .35);
  border-radius: var(--r-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.opti-brand-name {
  font-size: 26px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.025em;
}
.opti-hero-logo {
  height: 64px;
  width: auto;
  display: block;
}
@media (max-width: 600px) { .opti-hero-logo { height: 52px; } }

.opti-pillars {
  margin-top: 56px;
  display: flex;
  gap: clamp(16px, 3vw, 36px);
  flex-wrap: wrap;
}
.opti-pillar {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 20px 14px 0;
  border-left: 1px solid rgba(0, 208, 255, .3);
  padding-left: 18px;
}
.opti-pillar span { font-size: 11px; color: var(--btc-cyan); letter-spacing: .14em; }
.opti-pillar strong { font-size: 15px; color: #fff; font-weight: 500; }

/* Mock dashboard */
.opti-mock {
  position: relative;
  min-height: 480px;
}
.opti-mock-frame {
  background: linear-gradient(180deg, rgba(20, 54, 111, .55), rgba(6, 26, 63, .85));
  border: 1px solid rgba(0, 208, 255, .2);
  border-radius: var(--r-xl);
  box-shadow: 0 50px 100px -30px rgba(0, 208, 255, .25), inset 0 1px 0 rgba(255,255,255,.06);
  overflow: hidden;
  backdrop-filter: blur(14px);
}
.opti-mock-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  background: rgba(0,0,0,.18);
}
.opti-mock-body {
  display: grid;
  grid-template-columns: 56px 1fr;
}
.opti-mock-nav {
  border-right: 1px solid rgba(255,255,255,.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 0;
  gap: 6px;
  background: rgba(3, 16, 43, .4);
}
.opti-mock-logo {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--grad-brand);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: "Geist Mono", monospace;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 12px;
}
.opti-mock-nav-item {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.4);
  transition: background .2s, color .2s;
}
.opti-mock-nav-item.active { background: rgba(0, 208, 255, .12); color: var(--btc-cyan); }
.opti-mock-nav-item svg { width: 18px; height: 18px; }
.opti-mock-main { padding: 20px; }
.opti-mock-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}
.opti-stat {
  padding: 12px 14px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--r-sm);
}
.opti-stat-label {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255,255,255,.5);
  margin-bottom: 4px;
}
.opti-stat-val {
  display: block;
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.02em;
}
.opti-stat-val small { font-size: 11px; color: rgba(255,255,255,.5); font-weight: 400; margin-left: 2px; }
.opti-stat-delta {
  display: inline-block;
  margin-top: 4px;
  font-family: "Geist Mono", monospace;
  font-size: 10px;
}
.opti-stat-delta.up { color: #5DECC4; }
.opti-stat-delta.down { color: #FFB347; }

.opti-mock-chart {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--r-sm);
  padding: 16px;
  margin-bottom: 16px;
}
.opti-mock-chart-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 12px;
}
.opti-mock-legend { display: flex; gap: 14px; font-size: 11px; color: rgba(255,255,255,.65); }
.opti-mock-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: middle; }

.opti-mock-table {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.opti-mock-table-head {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 100px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255,255,255,.5);
}
.opti-mock-table-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 100px;
  padding: 12px 14px;
  font-size: 13px;
  color: rgba(255,255,255,.8);
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.opti-mock-table-row:last-child { border-bottom: none; }
.tag-mini {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  border-radius: 4px;
  font-weight: 500;
  width: fit-content;
}
.tag-mini.ok { background: rgba(93, 236, 196, .15); color: #5DECC4; }
.tag-mini.warn { background: rgba(255, 179, 71, .15); color: #FFB347; }
.tag-mini.over { background: rgba(255, 95, 87, .15); color: #FF8E87; }

/* ─── Module blocks ────────────────────────────────────────── */

.module-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  padding: clamp(40px, 6vw, 80px) 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.module-block:last-child { border-bottom: none; }
.module-block.reverse { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
.module-block.reverse .module-left { order: 2; }
.module-block.reverse .module-visual { order: 1; }
@media (max-width: 900px) {
  .module-block, .module-block.reverse { grid-template-columns: 1fr; }
  .module-block.reverse .module-left { order: 1; }
  .module-block.reverse .module-visual { order: 2; }
}

.module-num {
  display: inline-block;
  font-size: 12px;
  color: var(--btc-cyan);
  letter-spacing: .14em;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.module-left h3 { font-size: clamp(26px, 3vw, 36px); line-height: 1.15; color: #fff; margin-bottom: 18px; max-width: 16ch; }
.module-left .lede { margin-bottom: 24px; max-width: 50ch; }

.module-chips { display: flex; flex-wrap: wrap; gap: 6px; }

/* Module visual cards */
.mod-card {
  background: rgba(20, 54, 111, .35);
  border: 1px solid rgba(0, 208, 255, .2);
  border-radius: var(--r-xl);
  padding: 22px 24px;
  box-shadow: 0 30px 80px -30px rgba(0, 208, 255, .25);
  backdrop-filter: blur(10px);
}
.mod-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: rgba(255,255,255,.55);
}

.mod-buckets { display: flex; flex-direction: column; gap: 16px; }
.mod-bucket {
  display: grid;
  grid-template-columns: 60px 1fr 80px;
  align-items: center;
  gap: 14px;
}
.mod-bucket-pct { font-size: 18px; font-weight: 600; color: #fff; letter-spacing: -.02em; font-family: "Geist Mono", monospace; }
.mod-bucket-label { font-size: 13px; color: rgba(255,255,255,.7); }
.mod-bucket-bar {
  height: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,.06);
  position: relative;
  overflow: hidden;
}
.mod-bucket-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  width: var(--w);
  border-radius: 4px;
}
.mod-bucket.ok .mod-bucket-bar::after { background: linear-gradient(90deg, #5DECC4, #00D0FF); }
.mod-bucket.warn .mod-bucket-bar::after { background: linear-gradient(90deg, #FFB347, #FFD66E); }
.mod-bucket.alert .mod-bucket-bar::after { background: linear-gradient(90deg, #FF8E87, #FFB347); }
.mod-bucket.gray .mod-bucket-bar::after { background: linear-gradient(90deg, rgba(255,255,255,.3), rgba(255,255,255,.5)); }

.mod-foot {
  margin-top: 22px;
  padding: 12px 16px;
  background: rgba(0,208,255,.08);
  border: 1px solid rgba(0,208,255,.2);
  border-radius: var(--r-sm);
  font-size: 13px;
  color: var(--btc-cyan);
}

.mod-net-svg { width: 100%; height: 240px; }
.mod-net-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.mod-net-stats div { display: flex; flex-direction: column; gap: 4px; }
.mod-net-stats span { font-size: 10px; text-transform: uppercase; letter-spacing: .12em; color: rgba(255,255,255,.5); }
.mod-net-stats strong { font-size: 15px; color: #fff; font-weight: 500; }

.mod-dem-foot {
  display: flex;
  gap: 18px;
  margin-top: 12px;
  font-size: 11px;
  color: rgba(255,255,255,.65);
}
.mod-dem-foot .dot { background: #94A3B8; }
.mod-dem-foot div { display: inline-flex; align-items: center; gap: 6px; }

/* ─── Benefits ─────────────────────────────────────────────── */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
@media (max-width: 900px) { .benefits-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .benefits-grid { grid-template-columns: 1fr; } }

.benefit-card {
  padding: 32px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 160px;
  transition: background .25s;
}
.benefit-card:hover { background: var(--bg-soft); }
.benefit-card span {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(0, 128, 255, .08);
  color: var(--btc-blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 600;
}
.benefit-card h4 { font-size: 16px; color: var(--ink); margin: 0; line-height: 1.3; }

/* ─── How it works ──────────────────────────────────────────── */

.how-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: how;
}
@media (max-width: 900px) { .how-steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .how-steps { grid-template-columns: 1fr; } }

.how-step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
}
.how-step::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: var(--grad-brand);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .35s;
}
.how-step:hover::before { transform: scaleY(1); }
.how-num {
  display: inline-block;
  font-family: "Geist Mono", monospace;
  font-size: 11px;
  color: var(--btc-blue);
  letter-spacing: .14em;
  margin-bottom: 16px;
  padding: 4px 10px;
  border: 1px solid rgba(0, 128, 255, .15);
  border-radius: 999px;
  background: rgba(0, 128, 255, .04);
}
.how-step h4 { font-size: 17px; margin-bottom: 6px; }
.how-step p { font-size: 14px; color: var(--ink-3); margin: 0; line-height: 1.5; }

/* ─── Gallery ──────────────────────────────────────────────── */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .gallery-grid { grid-template-columns: 1fr; } }
.gallery-item { width: 100%; }
.gallery-shot {
  margin: 0;
  aspect-ratio: 16 / 10;
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid rgba(15, 23, 42, .08);
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0) 55%, rgba(2, 6, 23, .82) 100%),
    linear-gradient(135deg, rgba(0, 128, 255, .06), rgba(0, 208, 255, .12));
  box-shadow: 0 20px 48px rgba(15, 23, 42, .12);
}
.gallery-shot img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: top center;
}
.gallery-shot figcaption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 1;
  margin: 0;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(2, 6, 23, .68);
  border: 1px solid rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .92);
  font-size: 11px;
  line-height: 1;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-family: "Geist Mono", ui-monospace, monospace;
  backdrop-filter: blur(12px);
}

/* ─── CTA Band ─────────────────────────────────────────────── */

.cta-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
  padding: clamp(40px, 5vw, 64px);
  background: linear-gradient(135deg, rgba(0, 208, 255, .08), rgba(0, 128, 255, .04));
  border: 1px solid rgba(0, 208, 255, .25);
  border-radius: var(--r-2xl);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0, 208, 255, .2), transparent 65%);
  filter: blur(40px);
  pointer-events: none;
}
@media (max-width: 800px) { .cta-band { grid-template-columns: 1fr; } }