/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-1);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  border-radius: var(--radius-full);
  transition: all var(--dur-normal) var(--ease-out);
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  padding: 14px var(--sp-5);
  background: var(--grad-primary);
  color: #0A0A0F;
  letter-spacing: -0.01em;
}

.btn--primary:hover {
  box-shadow: var(--glow-primary);
  transform: translateY(-2px);
}

.btn--ghost {
  padding: 13px var(--sp-5);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: transparent;
}

.btn--ghost:hover {
  border-color: rgba(0, 255, 178, 0.5);
  color: var(--color-primary);
  background: rgba(0, 255, 178, 0.05);
}

.btn--sm {
  padding: 8px var(--sp-3);
  font-size: var(--text-xs);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ─── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--grad-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  position: relative;
  overflow: hidden;
  transition: border-color var(--dur-normal) var(--ease-out),
              transform var(--dur-normal) var(--ease-spring),
              box-shadow var(--dur-normal) var(--ease-out);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--dur-normal) var(--ease-out);
}

.card:hover {
  border-color: rgba(0, 255, 178, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.4), var(--glow-primary);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: var(--sp-3);
  background: rgba(0, 255, 178, 0.08);
  border: 1px solid rgba(0, 255, 178, 0.15);
}

.card__icon--purple {
  background: rgba(123, 47, 255, 0.1);
  border-color: rgba(123, 47, 255, 0.2);
}

.card__icon--pink {
  background: rgba(255, 61, 255, 0.08);
  border-color: rgba(255, 61, 255, 0.15);
}

.card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--sp-1);
  letter-spacing: -0.02em;
}

.card__body {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: var(--leading-normal);
}

/* ─── Stat card ─────────────────────────────────────────────── */
.stat-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
}

.stat-card__number {
  font-size: var(--text-4xl);
  font-weight: var(--font-black);
  letter-spacing: -0.04em;
  line-height: 1;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--sp-1);
}

.stat-card__label {
  font-size: var(--text-sm);
  color: var(--color-muted);
  font-weight: var(--font-medium);
}

/* ─── Contact item ──────────────────────────────────────────── */
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
}

.contact-item__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(0, 255, 178, 0.08);
  border: 1px solid rgba(0, 255, 178, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}

.contact-item__label {
  font-size: var(--text-xs);
  color: var(--color-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: var(--font-semibold);
  margin-bottom: 4px;
}

.contact-item__value {
  font-size: var(--text-base);
  color: var(--color-text);
  font-weight: var(--font-medium);
  line-height: var(--leading-snug);
}

.contact-item__value a {
  transition: color var(--dur-fast) var(--ease-out);
}

.contact-item__value a:hover { color: var(--color-primary); }

/* ─── Hero mock UI ──────────────────────────────────────────── */
.ui-mockup {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--glow-secondary);
  position: relative;
}

.ui-mockup__bar {
  background: var(--color-surface-2);
  padding: 14px var(--sp-3);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.ui-mockup__dots {
  display: flex;
  gap: 6px;
}

.ui-mockup__dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
}

.ui-mockup__dot--red   { background: #FF5F57; }
.ui-mockup__dot--yellow{ background: #FEBC2E; }
.ui-mockup__dot--green { background: #28C840; }

.ui-mockup__url {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-full);
  padding: 5px 14px;
  font-size: var(--text-xs);
  color: var(--color-muted);
  font-family: monospace;
}

.ui-mockup__body {
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  min-height: 320px;
}

.ui-mockup__row {
  display: flex;
  gap: var(--sp-2);
  align-items: flex-start;
}

.ui-mockup__sidebar {
  width: 160px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.ui-mockup__side-item {
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
}

.ui-mockup__side-item--active {
  background: rgba(0,255,178,0.1);
  border: 1px solid rgba(0,255,178,0.2);
}

.ui-mockup__side-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  flex-shrink: 0;
}

.ui-mockup__side-dot--active { background: var(--color-primary); }

.ui-mockup__side-text {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: currentColor;
  opacity: 0.3;
}

.ui-mockup__main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.ui-mockup__metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2);
}

.ui-mockup__metric {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-2);
}

.ui-mockup__metric-val {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.ui-mockup__metric-val--green { color: var(--color-primary); }
.ui-mockup__metric-val--purple { color: var(--color-secondary); }
.ui-mockup__metric-val--pink   { color: var(--color-accent); }

.ui-mockup__metric-lbl {
  font-size: 10px;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.ui-mockup__chart {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-2);
  height: 100px;
  position: relative;
  overflow: hidden;
}

.ui-mockup__chart-bars {
  position: absolute;
  bottom: var(--sp-2);
  left: var(--sp-2);
  right: var(--sp-2);
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 70px;
}

.ui-mockup__bar-item {
  flex: 1;
  border-radius: 3px 3px 0 0;
  background: rgba(0,255,178,0.2);
}

.ui-mockup__bar-item:nth-child(5n+1) { height: 60%; background: rgba(0,255,178,0.3); }
.ui-mockup__bar-item:nth-child(5n+2) { height: 80%; background: rgba(123,47,255,0.4); }
.ui-mockup__bar-item:nth-child(5n+3) { height: 55%; background: rgba(0,255,178,0.2); }
.ui-mockup__bar-item:nth-child(5n+4) { height: 90%; background: var(--color-primary); box-shadow: 0 0 8px rgba(0,255,178,0.4); }
.ui-mockup__bar-item:nth-child(5n+5) { height: 70%; background: rgba(123,47,255,0.3); }

/* ─── Tag chip ──────────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.05em;
  background: rgba(0,255,178,0.08);
  color: var(--color-primary);
  border: 1px solid rgba(0,255,178,0.2);
}

/* ─── Feature row ───────────────────────────────────────────── */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.feature-item::before {
  content: '';
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background: rgba(0,255,178,0.12);
  border: 1px solid rgba(0,255,178,0.3);
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='8' viewBox='0 0 10 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4L3.5 6.5L9 1' stroke='%2300FFB2' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}