/* Components — nav, buttons, kicker, cards, steps, pills */

/* --- Buttons / pills --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  background: transparent;
  color: var(--fg);
  white-space: nowrap;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-base),
              background var(--transition-fast), border-color var(--transition-fast),
              color var(--transition-fast);
}

.btn--primary {
  background: var(--fg);
  color: var(--bg-bot);
  box-shadow: 0 6px 20px -6px rgba(0, 0, 0, 0.5);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow:
    0 18px 40px -12px color-mix(in oklab, var(--accent-a) 70%, transparent),
    0 0 0 1px rgba(255, 255, 255, 0.08);
}

.btn--ghost {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--fg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  background: var(--pill-bg);
  border-color: var(--fg-dim);
}

.btn--sm {
  padding: 0.55rem 1rem;
  font-size: 0.82rem;
}

.btn--inverted {
  background: var(--bg-bot);
  color: var(--fg);
  border-color: var(--line-strong);
}
.btn--inverted:hover {
  background: #000;
  transform: translateY(-1px);
}

/* --- Kicker pill (mono uppercase w/ pulsing accent dot) --- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-dim);
  border: 1px solid var(--line-strong);
  background: var(--pill-bg);
  border-radius: var(--radius-full);
  padding: 0.45rem 0.85rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.kicker__dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent-a);
  box-shadow: 0 0 8px var(--accent-a);
  animation: qpulse 1.6s ease-in-out infinite;
}

/* --- Credentials pills row (under hero CTAs) --- */
.cred-pills {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
}

.cred-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-faint);
  border: 1px solid var(--line-strong);
  background: var(--pill-bg);
  border-radius: var(--radius-full);
  padding: 0.4rem 0.75rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background var(--transition-base), backdrop-filter var(--transition-base),
              border-color var(--transition-base);
}

.nav--scrolled {
  background: rgba(11, 14, 20, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  gap: var(--space-lg);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.nav__logo-mark {
  width: 22px;
  height: 22px;
  display: inline-block;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav__link {
  font-size: 0.82rem;
  letter-spacing: 0.01em;
  color: var(--fg-dim);
  padding: 0.4rem 0;
  transition: color var(--transition-fast);
}
.nav__link:hover { color: var(--fg); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  width: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-hamburger__line {
  display: block;
  height: 2px;
  background: var(--fg);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.nav-hamburger--open .nav-hamburger__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger--open .nav-hamburger__line:nth-child(2) { opacity: 0; }
.nav-hamburger--open .nav-hamburger__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(11, 14, 20, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: var(--space-lg) var(--container-padding);
  flex-direction: column;
  gap: var(--space-md);
  border-bottom: 1px solid var(--line);
  transform: translateY(-10px);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
  pointer-events: none;
}

.nav-mobile--open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav-mobile__link {
  font-size: 1.1rem;
  color: var(--fg-dim);
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}
.nav-mobile__link:hover { color: var(--fg); }

@media (max-width: 820px) {
  .nav__links,
  .nav__actions { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile    { display: flex; }
}

/* --- Cards --- */
.card {
  position: relative;
  background: var(--pill-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform var(--transition-base), border-color var(--transition-base),
              box-shadow var(--transition-slow), background var(--transition-base);
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: rgba(243, 241, 236, 0.06);
  box-shadow:
    0 20px 50px -20px rgba(0, 0, 0, 0.65),
    0 0 0 1px var(--line);
}

.card__icon {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--pill-bg);
  filter: grayscale(0.15);
}

.card__title {
  font-size: 1.2rem;
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--fg);
  margin-bottom: 0.6rem;
  line-height: 1.25;
}

.card__desc {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

.card__list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.card__list-item {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.5;
  padding-left: 1rem;
  position: relative;
}

.card__list-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-a);
  box-shadow: 0 0 6px var(--accent-a);
}

/* --- Problem grid (3 cards) --- */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 720px) {
  .problem-grid { grid-template-columns: repeat(3, 1fr); }
}

/* --- Platform grid (hero card spans + 2-col) --- */
.platform-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 720px) {
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Steps --- */
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.step {
  flex: 1;
  max-width: 320px;
  text-align: center;
  padding: 0 var(--space-md);
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--line-strong);
  background: var(--pill-bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 1rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.step__title {
  font-size: 1.2rem;
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--fg);
  margin-bottom: 0.5rem;
}

.step__desc {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

.step__connector {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--line), var(--line-strong), var(--line));
  flex-shrink: 0;
  margin-top: 22px;
  position: relative;
}

.step__connector::after {
  content: '';
  position: absolute;
  right: -3px;
  top: -2px;
  width: 6px;
  height: 6px;
  border-right: 1px solid var(--accent-a);
  border-top: 1px solid var(--accent-a);
  transform: rotate(45deg);
  box-shadow: 0 0 6px var(--accent-a);
}

@media (max-width: 720px) {
  .steps {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }
  .step { max-width: 400px; }
  .step__connector {
    width: 1px;
    height: 30px;
    margin-top: 0;
    background: linear-gradient(180deg, var(--line), var(--line-strong), var(--line));
  }
  .step__connector::after {
    right: auto;
    top: auto;
    bottom: -3px;
    left: -2px;
    border-right: 1px solid var(--accent-a);
    border-top: none;
    border-bottom: 1px solid var(--accent-a);
    transform: rotate(45deg);
  }
}

/* --- Platform badges --- */
.badge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
}

@media (min-width: 480px) { .badge-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 768px) { .badge-grid { grid-template-columns: repeat(6, 1fr); } }

.badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  background: var(--pill-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color var(--transition-fast), color var(--transition-fast),
              background var(--transition-fast);
  justify-content: center;
}

.badge:hover {
  border-color: var(--line-strong);
  color: var(--fg);
  background: rgba(243, 241, 236, 0.05);
}

.badge__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 6px currentColor;
}

/* --- Architecture columns --- */
.architecture-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 720px) { .architecture-grid { grid-template-columns: repeat(3, 1fr); } }

.architecture-col {
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

.architecture-col__title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 0.75rem;
}

.architecture-col__text {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

.architecture-col__text p + p { margin-top: 0.5rem; }

/* --- Card proof list (under "Won't make up your prices") --- */
.card__proof {
  display: grid;
  grid-template-columns: auto auto 1fr;
  column-gap: 0.6rem;
  row-gap: 0.35rem;
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.card__proof li {
  display: contents;
}

.card__proof-key {
  color: var(--fg-dim);
}

.card__proof-arrow {
  color: var(--accent-a);
  text-align: center;
}

.card__proof-val {
  color: var(--fg);
}

/* --- Try-to-break-it proof section --- */
.proof-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

@media (min-width: 720px) {
  .proof-grid { grid-template-columns: repeat(3, 1fr); }
}

.proof-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem;
  background: var(--pill-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  text-align: left;
  transition: transform var(--transition-base), border-color var(--transition-base),
              background var(--transition-base);
}

.proof-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: rgba(243, 241, 236, 0.06);
}

.proof-card__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.proof-card__question {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--fg);
  line-height: 1.35;
}

.proof-card__expect {
  font-size: 0.88rem;
  color: var(--fg-dim);
  line-height: 1.55;
}

.proof__footer {
  margin-top: var(--space-md);
  text-align: center;
  font-size: 0.95rem;
  color: var(--fg-dim);
}