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

.nav.scrolled {
  background: rgba(7, 7, 14, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--clr-border);
}

.nav__inner {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  letter-spacing: -0.01em;
  color: var(--clr-text);
  flex-shrink: 0;
}

.nav__logo-mark {
  width: 32px;
  height: 32px;
  background: var(--clr-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: #fff;
  box-shadow: 0 0 20px var(--clr-accent-glow);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--clr-text-2);
  transition: color var(--dur-fast) var(--ease);
  position: relative;
}

.nav__link:hover,
.nav__link.active {
  color: var(--clr-text);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-2);
}

.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--clr-text-2);
  border-radius: 2px;
  transition: transform var(--dur-normal) var(--ease),
              opacity var(--dur-fast),
              width var(--dur-normal) var(--ease);
}

.nav__toggle span:last-child { width: 60%; }

.nav__toggle.open span:first-child { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:last-child { width: 100%; transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  padding: var(--sp-6);
  flex-direction: column;
  gap: var(--sp-4);
  z-index: 99;
}

.nav__mobile.open { display: flex; }

.nav__mobile .nav__link {
  font-size: var(--text-base);
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--clr-border);
}

/* ─── Features Dropdown ──────────────────────────────────────────────── */
.nav__item {
  position: relative;
}

.nav__item-trigger {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--clr-text-2);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  transition: color var(--dur-fast) var(--ease);
  height: var(--nav-h);
}

.nav__item-trigger:hover,
.nav__item:hover .nav__item-trigger,
.nav__item.open .nav__item-trigger {
  color: var(--clr-text);
}

.nav__item-trigger svg {
  transition: transform var(--dur-normal) var(--ease);
  flex-shrink: 0;
  color: var(--clr-text-3);
}

.nav__item:hover .nav__item-trigger svg,
.nav__item.open .nav__item-trigger svg {
  transform: rotate(180deg);
  color: var(--clr-text-2);
}

/* Invisible bridge: fills the gap between trigger and dropdown panel
   so the mouse doesn't leave nav__item while moving cursor downward */
.nav__item::after {
  content: '';
  position: absolute;
  top: calc(var(--nav-h) - 12px);
  left: -20px;
  right: -20px;
  height: 20px;
  display: block;
}

.nav__dropdown {
  position: absolute;
  top: var(--nav-h);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 560px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0,0,0,0.3);
  padding: var(--sp-4);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--dur-normal) var(--ease),
              transform var(--dur-normal) var(--ease),
              visibility 0ms var(--dur-normal);
  z-index: 200;
}

/* CSS-native hover — no JS needed, most reliable */
@media (hover: hover) {
  .nav__item:hover .nav__dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
    transition: opacity var(--dur-normal) var(--ease),
                transform var(--dur-normal) var(--ease),
                visibility 0ms;
  }
}

/* JS-driven open class as fallback for touch/keyboard */
.nav__item.open .nav__dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
  transition: opacity var(--dur-normal) var(--ease),
              transform var(--dur-normal) var(--ease),
              visibility 0ms;
}

.nav__dropdown-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-1);
}

.nav__dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--clr-text);
  transition: background var(--dur-fast) var(--ease);
}

.nav__dropdown-item:hover {
  background: var(--clr-surface-2);
}

.nav__dropdown-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  background: var(--clr-accent-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  margin-top: 1px;
}

.nav__dropdown-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--clr-text);
  margin-bottom: 2px;
}

.nav__dropdown-desc {
  font-size: var(--text-xs);
  color: var(--clr-text-3);
  line-height: 1.4;
}

.nav__dropdown-footer {
  margin-top: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__dropdown-footer-link {
  font-size: var(--text-xs);
  color: var(--clr-text-3);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  transition: color var(--dur-fast);
}

.nav__dropdown-footer-link:hover { color: var(--clr-accent-light); }

/* ─── Buttons ────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: 1;
  padding: 0.6em 1.2em;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
  text-decoration: none;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--clr-accent);
  color: #fff;
  border-color: var(--clr-accent);
}

.btn-primary:hover {
  background: var(--clr-accent-hover);
  border-color: var(--clr-accent-hover);
  box-shadow: 0 4px 20px var(--clr-accent-glow);
}

.btn-secondary {
  background: var(--clr-surface-2);
  color: var(--clr-text);
  border-color: var(--clr-border-2);
}

.btn-secondary:hover {
  background: var(--clr-surface-3);
  border-color: rgba(255,255,255,0.18);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-text-2);
  border-color: transparent;
}

.btn-ghost:hover {
  color: var(--clr-text);
  background: var(--clr-surface-2);
}

.btn-lg {
  font-size: var(--text-base);
  padding: 0.75em 1.5em;
  border-radius: var(--radius-lg);
}

.btn-sm {
  font-size: var(--text-xs);
  padding: 0.5em 1em;
  border-radius: var(--radius-sm);
}

/* ─── Cards ──────────────────────────────────────────────────────────── */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  transition: border-color var(--dur-normal) var(--ease),
              box-shadow var(--dur-normal) var(--ease);
}

.card:hover {
  border-color: var(--clr-border-2);
  box-shadow: var(--shadow-md);
}

.card-sm {
  padding: var(--sp-6);
  border-radius: var(--radius-md);
}

/* ─── Feature Cards ──────────────────────────────────────────────────── */
.feature-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  transition: border-color var(--dur-normal) var(--ease),
              box-shadow var(--dur-normal) var(--ease),
              transform var(--dur-normal) var(--ease);
  text-decoration: none;
  color: inherit;
}

.feature-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 0 1px rgba(99,102,241,0.08);
  transform: translateY(-2px);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  background: var(--clr-accent-dim);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.feature-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--clr-text);
}

.feature-card__desc {
  font-size: var(--text-sm);
  color: var(--clr-text-2);
  line-height: var(--leading-normal);
  flex: 1;
}

.feature-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--clr-accent-light);
  margin-top: auto;
  transition: gap var(--dur-fast);
}

.feature-card:hover .feature-card__link { gap: var(--sp-3); }

/* ─── Screenshot Placeholder ─────────────────────────────────────────── */
.screenshot {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--clr-border-2);
  background: var(--clr-surface);
  box-shadow: var(--shadow-lg), 0 0 80px rgba(0,0,0,0.6);
}

.screenshot__chrome {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  background: var(--clr-surface-2);
  border-bottom: 1px solid var(--clr-border);
}

.screenshot__dots {
  display: flex;
  gap: 6px;
}

.screenshot__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.screenshot__dot:nth-child(1) { background: #ef4444; }
.screenshot__dot:nth-child(2) { background: var(--clr-amber); }
.screenshot__dot:nth-child(3) { background: var(--clr-green); }

.screenshot__bar {
  flex: 1;
  height: 22px;
  background: var(--clr-surface-3);
  border-radius: var(--radius-sm);
  max-width: 280px;
  margin-inline: auto;
}

.screenshot__frame {
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-bg);
  background-image:
    linear-gradient(rgba(99,102,241,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  position: relative;
  overflow: hidden;
}

.screenshot__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.screenshot__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  color: var(--clr-text-3);
  font-size: var(--text-sm);
}

.screenshot__placeholder svg {
  opacity: 0.3;
}

/* ─── Badge / Tag ────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  padding: 0.2em 0.6em;
  border-radius: var(--radius-full);
  border: 1px solid;
}

.badge-green {
  color: var(--clr-green);
  background: var(--clr-green-dim);
  border-color: rgba(34, 197, 94, 0.25);
}

.badge-accent {
  color: var(--clr-accent-light);
  background: var(--clr-accent-dim);
  border-color: rgba(99, 102, 241, 0.25);
}

/* ─── Stat/KPI ───────────────────────────────────────────────────────── */
.stat {
  text-align: center;
}

.stat__value {
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(135deg, var(--clr-text), var(--clr-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--clr-text-2);
  margin-top: var(--sp-2);
}

/* ─── Check List ─────────────────────────────────────────────────────── */
.check-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--text-base);
  color: var(--clr-text-2);
  line-height: var(--leading-snug);
}

.check-list li::before {
  content: '';
  display: block;
  width: 18px;
  height: 18px;
  min-width: 18px;
  background: var(--clr-green-dim);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius-sm);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%2322c55e' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 2px;
}

/* ─── Split Layout ───────────────────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}

.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }

/* ─── Testimonial ────────────────────────────────────────────────────── */
.testimonial {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
}

.testimonial__quote {
  font-size: var(--text-lg);
  line-height: var(--leading-loose);
  color: var(--clr-text-2);
  margin-bottom: var(--sp-6);
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.testimonial__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-accent-dim);
  border: 1px solid rgba(99,102,241,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--weight-bold);
  font-size: var(--text-sm);
  color: var(--clr-accent-light);
}

.testimonial__name {
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
}

.testimonial__role {
  font-size: var(--text-xs);
  color: var(--clr-text-3);
}

/* ─── Hero ───────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(99,102,241,0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 20%, black 30%, transparent 70%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero__content {
  max-width: 800px;
  margin-inline: auto;
  text-align: center;
  padding: var(--sp-24) var(--sp-6) var(--sp-16);
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-accent-light);
  background: var(--clr-accent-dim);
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--sp-6);
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, var(--text-7xl));
  font-weight: var(--weight-bold);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-6);
}

.hero__title em {
  font-style: normal;
  color: var(--clr-accent-light);
}

.hero__subtitle {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: var(--clr-text-2);
  line-height: var(--leading-loose);
  max-width: 60ch;
  margin-inline: auto;
  margin-bottom: var(--sp-10);
}

.hero__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-bottom: var(--sp-16);
}

.hero__screenshot {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

/* ─── Page Hero (Feature Pages) ──────────────────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-h) + var(--sp-16));
  padding-bottom: var(--sp-16);
  position: relative;
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(99,102,241,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.page-hero__back {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--clr-text-2);
  margin-bottom: var(--sp-8);
  transition: color var(--dur-fast);
}

.page-hero__back:hover { color: var(--clr-text); }

.page-hero__title {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: var(--weight-bold);
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-4);
}

.page-hero__sub {
  font-size: var(--text-xl);
  color: var(--clr-text-2);
  line-height: var(--leading-loose);
  max-width: 60ch;
}

/* ─── CTA Section ────────────────────────────────────────────────────── */
.cta-section {
  text-align: center;
  padding: var(--sp-24) var(--sp-6);
  position: relative;
}

.cta-section__box {
  max-width: 640px;
  margin-inline: auto;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-16) var(--sp-12);
  position: relative;
  overflow: hidden;
}

.cta-section__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(99,102,241,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.cta-section__title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: var(--weight-bold);
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-4);
}

.cta-section__sub {
  font-size: var(--text-base);
  color: var(--clr-text-2);
  margin-bottom: var(--sp-8);
  line-height: var(--leading-loose);
}

/* ─── Footer ─────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--clr-border);
  padding: var(--sp-16) 0 var(--sp-8);
  color: var(--clr-text-3);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-12);
  margin-bottom: var(--sp-12);
}

.footer__brand-name {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--clr-text);
  margin-bottom: var(--sp-3);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  max-width: 28ch;
  color: var(--clr-text-2);
}

.footer__heading {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-text-2);
  margin-bottom: var(--sp-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--clr-text-3);
  transition: color var(--dur-fast);
}

.footer__link:hover { color: var(--clr-text-2); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-6);
  border-top: 1px solid var(--clr-border);
  font-size: var(--text-xs);
  color: var(--clr-text-3);
}

/* ─── Code Block ─────────────────────────────────────────────────────── */
.code-block {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--sp-6);
  overflow-x: auto;
}

.code-block pre {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--clr-text-2);
  line-height: var(--leading-loose);
  white-space: pre;
}

/* ─── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-8); }
  .split { gap: var(--sp-10); }
}

@media (max-width: 768px) {
  .nav__links,
  .nav__actions { display: none; }
  .nav__toggle { display: flex; }

  .hero__content { padding-top: var(--sp-16); }

  .split {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }
  .split.reverse { direction: ltr; }

  .footer__grid { grid-template-columns: 1fr; gap: var(--sp-6); }
  .footer__bottom { flex-direction: column; gap: var(--sp-3); text-align: center; }

  .cta-section__box { padding: var(--sp-10) var(--sp-6); }
}