/* ═══════════════════════════════════════════════════════════════
   ALESTEB ERP — Stylesheet
   ───────────────────────────────────────────────────────────────
   Tabla de contenidos:
   1.  Variables / Tokens
   2.  Reset & Base
   3.  Utilidades
   4.  Layout (Container)
   5.  Botones
   6.  Navbar
   7.  Hero
   8.  Stats
   9.  Módulos
   10. Features
   11. Testimonials
   12. Pricing
   13. CTA
   14. Footer
   15. Animaciones & Scroll Reveal
   16. Responsive
═══════════════════════════════════════════════════════════════ */


/* ══════════════════════════════════════════
   1. VARIABLES / TOKENS
══════════════════════════════════════════ */
:root {
  /* Colors */
  --color-bg:          #09090b;
  --color-bg-subtle:   #111114;
  --color-bg-card:     #0f0f12;
  --color-border:      rgba(255, 255, 255, 0.07);
  --color-border-hover:rgba(255, 255, 255, 0.14);

  --color-accent:      #f59e0b;
  --color-accent-hover:#fbbf24;
  --color-accent-muted:rgba(245, 158, 11, 0.12);
  --color-accent-glow: rgba(245, 158, 11, 0.18);

  --color-text-primary:   #ffffff;
  --color-text-secondary: #a1a1aa;
  --color-text-muted:     #52525b;
  --color-text-on-accent: #09090b;

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* Spacing scale */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 7rem;

  /* Radius */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}


/* ══════════════════════════════════════════
   2. RESET & BASE
══════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

::selection {
  background: rgba(245, 158, 11, 0.25);
  color: var(--color-accent);
}


/* ══════════════════════════════════════════
   3. UTILIDADES
══════════════════════════════════════════ */
.text-accent { color: var(--color-accent); }

.section-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: 1.25rem;
}

.section-sub {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 560px;
}

.section-header { margin-bottom: 4rem; }

.section-header--center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.link-accent {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  border-bottom: 1px solid rgba(245, 158, 11, 0.3);
  padding-bottom: 2px;
  transition: border-color var(--transition-base);
}
.link-accent:hover { border-color: var(--color-accent); }


/* ══════════════════════════════════════════
   4. LAYOUT — CONTAINER
══════════════════════════════════════════ */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}


/* ══════════════════════════════════════════
   5. BOTONES
══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.4rem;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

/* Primary */
.btn--primary {
  background: var(--color-accent);
  color: var(--color-text-on-accent);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 0 36px var(--color-accent-glow);
}

/* Ghost */
.btn--ghost {
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn--ghost:hover { color: var(--color-text-primary); }

/* Outline */
.btn--outline {
  color: var(--color-text-secondary);
  border-color: var(--color-border-hover);
}
.btn--outline:hover {
  color: var(--color-text-primary);
  border-color: rgba(255,255,255,0.3);
}

/* Sizes */
.btn--lg  { padding: 0.875rem 2rem;   font-size: 1rem; }
.btn--xl  { padding: 1.1rem 2.5rem;   font-size: 1.0625rem; }
.btn--full { width: 100%; }


/* ══════════════════════════════════════════
   6. NAVBAR
══════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background var(--transition-base), border-color var(--transition-base),
              backdrop-filter var(--transition-base);
}

.navbar--scrolled {
  background: rgba(9, 9, 11, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 2rem;
}

.navbar__logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  flex-shrink: 0;
}
.navbar__logo-accent { color: var(--color-accent); }
.navbar__logo-tag {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 300;
  color: var(--color-text-muted);
  margin-left: 0.3rem;
  letter-spacing: 0.08em;
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.navbar__link {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}
.navbar__link:hover { color: var(--color-text-primary); }

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.navbar__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text-secondary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}
.navbar__hamburger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.navbar__hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar__hamburger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav */
.nav-menu--open {
  display: flex !important;
}


/* ══════════════════════════════════════════
   7. HERO
══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 68px;
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    linear-gradient(rgba(245, 158, 11, 0.9) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 158, 11, 0.9) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.hero__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -55%;
  width: 900px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(245, 158, 11, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero__fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 180px;
  background: linear-gradient(to bottom, transparent, var(--color-bg));
  pointer-events: none;
}

.hero__inner {
  position: relative;
  padding-block: 7rem;
}

.hero__content { max-width: 820px; }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent);
  border: 1px solid rgba(245, 158, 11, 0.22);
  border-radius: var(--radius-full);
  padding: 0.45rem 1rem;
  margin-bottom: 2.25rem;
}
.badge__dot {
  width: 7px;
  height: 7px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.75); }
}

.hero__heading {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 1.75rem;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 2.5rem;
}
.hero__sub strong {
  color: var(--color-text-primary);
  font-weight: 500;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-bottom: 3.5rem;
}

/* Social proof */
.hero__social-proof {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}
.avatars { display: flex; }
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #27272a;
  border: 2px solid var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-accent);
  font-family: var(--font-display);
  margin-left: -8px;
}
.avatars .avatar:first-child { margin-left: 0; }
.hero__social-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.hero__social-text strong {
  color: var(--color-text-secondary);
  font-weight: 600;
}


/* ══════════════════════════════════════════
   8. STATS
══════════════════════════════════════════ */
.stats {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: rgba(255,255,255,0.015);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-block: 3.5rem;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-inline: 1.5rem;
  border-right: 1px solid var(--color-border);
}
.stat:last-child { border-right: none; }

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat__label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 500;
}


/* ══════════════════════════════════════════
   9. MÓDULOS
══════════════════════════════════════════ */
.modules {
  padding-block: var(--space-2xl);
}

.modules__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* Internal gaps as border lines */
.module-card {
  background: var(--color-bg-card);
  padding: 2rem;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: default;
}
.module-card:nth-child(3n)  { border-right: none; }
.module-card:nth-last-child(-n+3) { border-bottom: none; }

.module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}
.module-card:hover { background: #131316; }
.module-card:hover::before { transform: scaleX(1); }

.module-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.module-card__icon {
  font-size: 1.5rem;
  color: var(--color-text-muted);
  transition: color var(--transition-base);
  font-family: monospace;
  line-height: 1;
}
.module-card:hover .module-card__icon { color: var(--color-accent); }

.module-card__tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.6rem;
  transition: all var(--transition-base);
}
.module-card:hover .module-card__tag {
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--color-accent);
}

.module-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  transition: color var(--transition-base);
}
.module-card:hover .module-card__title { color: var(--color-accent); }

.module-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  transition: color var(--transition-base);
}
.module-card:hover .module-card__desc { color: var(--color-text-secondary); }


/* ══════════════════════════════════════════
   10. FEATURES
══════════════════════════════════════════ */
.features {
  padding-block: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.features__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.features__left {
  position: sticky;
  top: 6rem;
}

.features__desc {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.features__right {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
}

.feature {
  display: flex;
  gap: 1.5rem;
  padding-block: 2rem;
  border-bottom: 1px solid var(--color-border);
  transition: padding-left var(--transition-base);
}
.feature:hover { padding-left: 0.5rem; }

.feature__number {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text-muted);
  padding-top: 3px;
  min-width: 2rem;
  transition: color var(--transition-base);
}
.feature:hover .feature__number { color: var(--color-accent); }

.feature__title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  transition: color var(--transition-base);
}
.feature:hover .feature__title { color: var(--color-accent); }

.feature__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}


/* ══════════════════════════════════════════
   11. TESTIMONIALS
══════════════════════════════════════════ */
.testimonials {
  padding-block: var(--space-2xl);
  border-top: 1px solid var(--color-border);
  background: rgba(255,255,255,0.012);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--transition-base), transform var(--transition-base);
}
.testimonial-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-3px);
}

.testimonial-card__quote {
  font-family: Georgia, serif;
  font-size: 2rem;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 1.25rem;
}

.testimonial-card__text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #27272a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
}

.author-info strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.15rem;
}
.author-info span {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}


/* ══════════════════════════════════════════
   12. PRICING
══════════════════════════════════════════ */
.pricing {
  padding-block: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.plan-card {
  background: var(--color-bg-card);
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}
.plan-card:last-child { border-right: none; }

.plan-card--featured {
  background: rgba(245, 158, 11, 0.04);
  position: relative;
}
.plan-card--featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-accent);
}

.plan-card__badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--color-accent);
  color: var(--color-text-on-accent);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.7rem;
  margin-bottom: 1rem;
  align-self: flex-start;
}

.plan-card__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.plan-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.plan-card__price {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
  margin-bottom: 1.75rem;
}

.plan-card__amount {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-text-primary);
}
.plan-card__amount--consult {
  font-size: 1.75rem;
  color: var(--color-text-secondary);
}

.plan-card__period {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.plan-card__features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 2rem;
}
.plan-card__features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}
.plan-card__features li::before {
  content: '✓';
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}


/* ══════════════════════════════════════════
   13. CTA
══════════════════════════════════════════ */
.cta {
  position: relative;
  padding-block: 10rem;
  border-top: 1px solid var(--color-border);
  overflow: hidden;
}

.cta__grid-bg {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image:
    linear-gradient(rgba(245, 158, 11, 0.9) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 158, 11, 0.9) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.cta__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(245, 158, 11, 0.055) 0%, transparent 65%);
  pointer-events: none;
}

.cta__inner {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta__heading {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.cta__sub {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 2.75rem;
}

.cta__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.cta__disclaimer {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}


/* ══════════════════════════════════════════
   14. FOOTER
══════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: 4rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.875rem;
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 260px;
}

.footer__col-title {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__col ul a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
.footer__col ul a:hover { color: var(--color-text-secondary); }

.footer__bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer__status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.status-dot {
  width: 7px;
  height: 7px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2.5s ease-in-out infinite;
}


/* ══════════════════════════════════════════
   15. SCROLL REVEAL
══════════════════════════════════════════ */
.module-card,
.feature,
.testimonial-card,
.plan-card,
.stat {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease,
    background var(--transition-base),
    border-color var(--transition-base);
}

.module-card.is-visible,
.feature.is-visible,
.testimonial-card.is-visible,
.plan-card.is-visible,
.stat.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger via nth-child */
.module-card:nth-child(2),
.testimonial-card:nth-child(2),
.plan-card:nth-child(2) { transition-delay: 80ms; }

.module-card:nth-child(3),
.testimonial-card:nth-child(3),
.plan-card:nth-child(3) { transition-delay: 160ms; }

.module-card:nth-child(4)  { transition-delay: 60ms; }
.module-card:nth-child(5)  { transition-delay: 120ms; }
.module-card:nth-child(6)  { transition-delay: 180ms; }
.module-card:nth-child(7)  { transition-delay: 90ms; }
.module-card:nth-child(8)  { transition-delay: 150ms; }
.module-card:nth-child(9)  { transition-delay: 210ms; }

.feature:nth-child(2) { transition-delay: 80ms; }
.feature:nth-child(3) { transition-delay: 160ms; }
.feature:nth-child(4) { transition-delay: 240ms; }

.stat:nth-child(2) { transition-delay: 80ms; }
.stat:nth-child(3) { transition-delay: 160ms; }
.stat:nth-child(4) { transition-delay: 240ms; }


/* ══════════════════════════════════════════
   16. RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .footer__brand { grid-column: 1 / -1; }

  .features__inner { gap: 3rem; }
}

@media (max-width: 900px) {
  .modules__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .module-card:nth-child(3n)   { border-right: 1px solid var(--color-border); }
  .module-card:nth-child(2n)   { border-right: none; }
  .module-card:nth-last-child(-n+2) { border-bottom: none; }
  .module-card:nth-last-child(n+3)  { border-bottom: 1px solid var(--color-border); }

  .testimonials__grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-inline: auto;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
  }
  .plan-card { border-right: none; border-bottom: 1px solid var(--color-border); }
  .plan-card:last-child { border-bottom: none; }

  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: none; border-bottom: 1px solid var(--color-border); }
  .stat:nth-child(odd)  { border-right: 1px solid var(--color-border); }
  .stat:nth-last-child(-n+2) { border-bottom: none; }

  .features__inner { grid-template-columns: 1fr; }
  .features__left { position: static; }
}

@media (max-width: 768px) {
  .navbar__nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(9, 9, 11, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem 0 1rem;
  }
  .navbar__link {
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
  .navbar__actions { display: none; }
  .navbar__hamburger { display: flex; }

  .hero__heading { font-size: clamp(2.5rem, 10vw, 4rem); }
  .hero__ctas { flex-direction: column; align-items: flex-start; }
  .cta__buttons { flex-direction: column; align-items: center; }

  .modules__grid { grid-template-columns: 1fr; }
  .module-card { border-right: none; border-bottom: 1px solid var(--color-border); }
  .module-card:last-child { border-bottom: none; }
  .module-card:nth-last-child(-n+3) { border-bottom: 1px solid var(--color-border); }
  .module-card:last-child { border-bottom: none; }

  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer__brand { grid-column: auto; }
  .footer__bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (max-width: 480px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .hero__inner { padding-block: 5rem; }
  .cta { padding-block: 6rem; }
}