/* ===== HERO ===== */
.hero {
  padding: 100px 24px 48px;
  position: relative;
  background:
    radial-gradient(ellipse at 25% 0%, #e74c3c14 0%, transparent 55%),
    radial-gradient(ellipse at 75% 10%, #4a9eff10 0%, transparent 55%),
    linear-gradient(180deg, #181b28 0%, var(--bg) 100%);
}

.hero-split {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-left { display: flex; flex-direction: column; }
.hero-right { display: flex; flex-direction: column; gap: 12px; }

.hero-evidence-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.story-strip { display: flex; flex-direction: column; gap: 0; }

.story-step {
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: 10px;
  padding: 14px 18px;
  box-shadow: var(--shadow);
  position: relative;
}

.story-step-past { border-left: 3px solid var(--orange); }
.story-step-now { border-left: 3px solid var(--red); background: #e74c3c0a; }
.story-step-fix { border-left: 3px solid var(--green); background: #2ecc710a; }

.story-step-when {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.story-step-what {
  font-size: 14px;
  color: var(--text);
  line-height: 1.55;
}

.story-step-what code {
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 12.5px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text);
}

.story-step-what em { color: var(--text-secondary); font-style: normal; }

.story-step-arrow {
  text-align: center;
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1;
  padding: 6px 0;
}

@media (max-width: 900px) {
  .hero-split { grid-template-columns: 1fr; gap: 32px; }
  .hero-left { align-items: center; text-align: center; }
}

.hero h1 {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--red-light), var(--orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(16px, 1.55vw, 19px);
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 14px;
  line-height: 1.6;
}

.hero-inline-code {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88em;
  color: var(--green);
  white-space: nowrap;
}

.hero-sub-accent {
  color: var(--text);
  font-weight: 700;
}

.hero-sub-sm {
  font-size: clamp(13px, 1.15vw, 14px);
  color: var(--text-dim);
  max-width: 440px;
  margin-bottom: 28px;
  line-height: 1.55;
  letter-spacing: 0.2px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  align-items: center;
}

/* ===== BUTTONS — layered construction, stateful motion ===== */

.btn {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  line-height: 1;
  letter-spacing: -0.1px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  will-change: transform;
  transition:
    transform 180ms cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 180ms cubic-bezier(0.2, 0.8, 0.2, 1),
    filter 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.btn:focus-visible {
  outline: 2px solid var(--red-light);
  outline-offset: 3px;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); transition-duration: 60ms; }

.btn .btn-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  display: block;
}

.btn .btn-kbd {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 7px;
  border-radius: 5px;
  margin-left: 4px;
  line-height: 1;
}

/* --- Primary: layered red with inner highlight, tinted shadow, glossy depth --- */
.btn-primary {
  color: #fff;
  background:
    linear-gradient(180deg, #f25a48 0%, var(--red) 55%, #c93d2e 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.25),
    inset 0 -1px 0 rgba(0,0,0,0.15),
    0 1px 0 rgba(0,0,0,0.4),
    0 6px 16px -4px rgba(231,76,60,0.55),
    0 12px 32px -8px rgba(231,76,60,0.35);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 1px 1px auto 1px;
  height: 40%;
  border-radius: 9px 9px 20px 20px / 9px 9px 40px 40px;
  background: linear-gradient(180deg, rgba(255,255,255,0.22) 0%, rgba(255,255,255,0) 100%);
  pointer-events: none;
  z-index: 1;
}

.btn-primary > * { position: relative; z-index: 2; }

.btn-primary:hover {
  filter: brightness(1.06);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.3),
    inset 0 -1px 0 rgba(0,0,0,0.15),
    0 1px 0 rgba(0,0,0,0.4),
    0 10px 24px -4px rgba(231,76,60,0.65),
    0 20px 44px -8px rgba(231,76,60,0.4);
}

.btn-primary:active {
  filter: brightness(0.96);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.18),
    inset 0 -1px 0 rgba(0,0,0,0.2),
    0 2px 6px -2px rgba(231,76,60,0.5);
}

.btn-primary .btn-count {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  margin-left: 2px;
  border-radius: 6px;
  background: rgba(0,0,0,0.22);
  border: 1px solid rgba(255,255,255,0.12);
  font-size: 12.5px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.2px;
}

.btn-primary .btn-count svg {
  width: 11px;
  height: 11px;
  fill: #ffd76a;
  filter: drop-shadow(0 0 4px rgba(255,215,106,0.6));
}

/* --- Secondary: dark glass with hairline border and subtle green-install tint --- */
.btn-secondary {
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(46,204,113,0.04) 0%, rgba(28,31,46,0.9) 100%),
    var(--bg-card);
  border: 1px solid rgba(46,204,113,0.18);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.04),
    0 1px 0 rgba(0,0,0,0.3),
    0 6px 14px -4px rgba(0,0,0,0.5);
}

.btn-secondary .btn-icon { color: var(--green); }

.btn-secondary:hover {
  border-color: rgba(46,204,113,0.4);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.06),
    0 1px 0 rgba(0,0,0,0.3),
    0 10px 22px -4px rgba(46,204,113,0.18),
    0 14px 28px -8px rgba(0,0,0,0.5);
}

.btn-secondary:active {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.02),
    0 1px 3px rgba(0,0,0,0.4);
}

@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
  .btn:hover, .btn:active { transform: none; }
}

.hero-install {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 28px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
}

.hero-install code { font-size: 15px; color: var(--green); }

.hero-install .copy-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  transition: all 0.2s;
}
.hero-install .copy-btn:hover { border-color: var(--text-secondary); color: var(--text); }