/* ============================================================
   LORO GRIZ — styles.css
   Estructura: Variables → Reset → Base → Componentes → Secciones → Responsive
   ============================================================ */

/* ── Variables ────────────────────────────────────────────── */
:root {
  --black:       #0A0A0A;
  --carbon:      #111111;
  --surface:     #161616;
  --surface-2:   #1E1E1E;
  --border:      rgba(255, 255, 255, 0.07);
  --border-lime: rgba(184, 240, 0, 0.25);
  --gray-mid:    #505050;
  --gray-light:  #888888;
  --gray-pale:   #BBBBBB;
  --white:       #F4F4F4;
  --lime:        #B8F000;
  --lime-dark:   #9ACC00;
  --lime-glow:   rgba(184, 240, 0, 0.08);
  --red-soft:    rgba(255, 80, 80, 0.12);
  --red-text:    #FF6B6B;

  --font:        'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   20px;
  --radius-xl:   28px;

  --transition:  0.22s ease;

  --max-w:       1100px;
  --section-py:  96px;
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background-color: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── Utilidades ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 20px;
}

.section {
  padding-block: var(--section-py);
}

.section--alt {
  background-color: var(--carbon);
}

.tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  letter-spacing: -0.03em;
}

.section-subtitle {
  font-size: 16px;
  color: var(--gray-light);
  margin-top: 14px;
  max-width: 520px;
}

.text-lime { color: var(--lime); }

/* Animaciones de entrada */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--carbon); }
::-webkit-scrollbar-thumb { background: var(--gray-mid); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--lime); }

/* ── Botones ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 700;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--lime);
  color: var(--black);
}
.btn-primary:hover {
  background-color: var(--lime-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(184, 240, 0, 0.22);
}

.btn-secondary {
  background-color: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: rgba(255,255,255,0.2);
  background-color: rgba(255,255,255,0.04);
}

.btn svg { flex-shrink: 0; }

/* ── NAVBAR ───────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  transition: background-color var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}

.navbar.scrolled {
  background-color: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.navbar__inner {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.navbar__logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--white);
  transition: color var(--transition);
}
.navbar__logo span { color: var(--lime); }
.navbar__logo:hover { color: var(--lime); }

.navbar__links {
  display: none;
  align-items: center;
  gap: 32px;
}

.navbar__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-light);
  transition: color var(--transition);
}
.navbar__links a:hover { color: var(--white); }

.navbar__cta {
  display: none;
}

.navbar__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
}
.navbar__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.25s ease;
}
.navbar__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.navbar__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menú mobile */
.navbar__mobile {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background-color: var(--carbon);
  border-bottom: 1px solid var(--border);
  padding: 24px 20px;
  flex-direction: column;
  gap: 20px;
  z-index: 99;
}
.navbar__mobile.open {
  display: flex;
}
.navbar__mobile a {
  font-size: 16px;
  font-weight: 500;
  color: var(--gray-pale);
  transition: color var(--transition);
}
.navbar__mobile a:hover { color: var(--lime); }
.navbar__mobile .btn-primary {
  margin-top: 6px;
  justify-content: center;
}

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
  padding-bottom: 64px;
  text-align: center;
}

/* Grid de fondo */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

/* Glow radial acento */
.hero::after {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 500px;
  background: radial-gradient(circle, rgba(184,240,0,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero__badge {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 99px;
  background-color: rgba(255,255,255,0.04);
  font-size: 12px;
  color: var(--gray-pale);
  margin-bottom: 28px;
}

.hero__badge__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--lime);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.4); }
}

.hero__headline {
  position: relative;
  z-index: 1;
  font-size: clamp(32px, 6vw, 66px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--white);
  max-width: 860px;
  margin-inline: auto;
  margin-bottom: 22px;
}

.hero__sub {
  position: relative;
  z-index: 1;
  font-size: clamp(15px, 2vw, 18px);
  color: var(--gray-light);
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: 36px;
  line-height: 1.65;
}

.hero__ctas {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 64px;
}

.hero__stats {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 40px;
  justify-content: center;
  border-top: 1px solid var(--border);
  padding-top: 40px;
}

.hero__stat strong {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: var(--lime);
  letter-spacing: -0.03em;
}

.hero__stat span {
  font-size: 11px;
  color: var(--gray-light);
  letter-spacing: 0.03em;
}

/* ── PROBLEMAS ────────────────────────────────────────────── */
.problems__grid {
  display: grid;
  gap: 10px;
}

.problem-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background-color: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition);
  cursor: default;
}

.problem-item:hover {
  background-color: var(--red-soft);
  border-color: rgba(255, 107, 107, 0.2);
}

.problem-item svg {
  flex-shrink: 0;
  color: var(--red-text);
  transition: transform var(--transition);
}
.problem-item:hover svg { transform: scale(1.15); }

.problem-item p {
  font-size: 14px;
  color: var(--gray-pale);
  transition: color var(--transition);
}
.problem-item:hover p { color: var(--white); }

.problems__bottom {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}

/* ── SOLUCIONES ───────────────────────────────────────────── */
.solutions__header { text-align: center; margin-bottom: 52px; }
.solutions__header .section-subtitle { margin-inline: auto; }

.solutions__grid {
  display: grid;
  gap: 16px;
}

.solution-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px;
  border-radius: var(--radius-lg);
  background-color: var(--surface);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  overflow: hidden;
}

.solution-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 100%;
  height: 2px;
  background: var(--lime);
  transition: right 0.45s ease;
}

.solution-card:hover {
  border-color: var(--border-lime);
  background-color: var(--surface-2);
  transform: translateY(-4px);
}
.solution-card:hover::after { right: 0; }

.solution-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background-color: var(--lime-glow);
  color: var(--lime);
  transition: background-color var(--transition);
}
.solution-card:hover .solution-card__icon {
  background-color: rgba(184, 240, 0, 0.15);
}

.solution-card__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  transition: color var(--transition);
}
.solution-card:hover .solution-card__title { color: var(--lime); }

.solution-card__desc {
  font-size: 13px;
  color: var(--gray-light);
  line-height: 1.65;
  flex: 1;
}

/* ── MÉTODO ───────────────────────────────────────────────── */
.method__header { text-align: center; margin-bottom: 56px; }

.method__steps {
  display: grid;
  gap: 24px;
}

.method-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.method-step__num {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--surface);
  border: 1px solid var(--border-lime);
  font-size: 20px;
  font-weight: 900;
  color: var(--lime);
  letter-spacing: -0.03em;
}

.method-step__body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
  padding-top: 12px;
}

.method-step__body p {
  font-size: 14px;
  color: var(--gray-light);
  line-height: 1.6;
}

/* ── CASOS DE USO ─────────────────────────────────────────── */
.usecases__header { text-align: center; margin-bottom: 48px; }

.usecases__grid {
  display: grid;
  gap: 12px;
}

.usecase-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background-color: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.usecase-item:hover {
  border-color: var(--border-lime);
  background-color: var(--surface-2);
}

.usecase-item svg {
  flex-shrink: 0;
  color: var(--lime);
  margin-top: 2px;
  transition: transform var(--transition);
}
.usecase-item:hover svg { transform: scale(1.1); }

.usecase-item p {
  font-size: 14px;
  color: var(--gray-pale);
  line-height: 1.55;
  transition: color var(--transition);
}
.usecase-item:hover p { color: var(--white); }

.usecases__cta {
  margin-top: 40px;
  text-align: center;
}
.usecases__cta p {
  font-size: 13px;
  color: var(--gray-light);
  margin-bottom: 16px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  transition: all var(--transition);
}
.btn-ghost:hover {
  border-color: var(--border-lime);
  color: var(--lime);
  background-color: var(--lime-glow);
}

/* ── DIFERENCIADOR ────────────────────────────────────────── */
.diff__header { margin-bottom: 48px; }

.diff__text {
  font-size: 15px;
  color: var(--gray-light);
  line-height: 1.7;
  margin-top: 20px;
  max-width: 480px;
}

.diff__pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 8px;
}

.diff-pillar {
  padding: 20px;
  border-radius: var(--radius-md);
  background-color: var(--black);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.diff-pillar:hover {
  border-color: var(--border-lime);
  background-color: var(--lime-glow);
}

.diff-pillar__num {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(184,240,0,0.4);
  margin-bottom: 10px;
}

.diff-pillar__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.35;
  transition: color var(--transition);
}
.diff-pillar:hover .diff-pillar__label { color: var(--lime); }

.diff__banner {
  margin-top: 40px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background-color: var(--lime-glow);
  border: 1px solid var(--border-lime);
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.55;
}

/* ── CTA FINAL ────────────────────────────────────────────── */
.cta-final { text-align: center; }

.cta-final__card {
  position: relative;
  overflow: hidden;
  padding: 64px 28px;
  border-radius: var(--radius-xl);
  background-color: var(--surface);
  border: 1px solid var(--border-lime);
}

.cta-final__card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(184,240,0,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-final__tag { margin-bottom: 20px; }

.cta-final__title {
  font-size: clamp(26px, 4.5vw, 44px);
  font-weight: 900;
  letter-spacing: -0.035em;
  color: var(--white);
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: 16px;
  line-height: 1.12;
}

.cta-final__text {
  font-size: 16px;
  color: var(--gray-light);
  max-width: 460px;
  margin-inline: auto;
  margin-bottom: 36px;
  line-height: 1.65;
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: var(--radius-md);
  background-color: var(--lime);
  color: var(--black);
  font-size: 15px;
  font-weight: 800;
  transition: all var(--transition);
  position: relative;
  z-index: 1;
}
.btn-whatsapp:hover {
  background-color: var(--lime-dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(184, 240, 0, 0.28);
}

/* ── FOOTER ───────────────────────────────────────────────── */
.footer {
  background-color: var(--black);
  border-top: 1px solid var(--border);
  padding-block: 60px 32px;
}

.footer__grid {
  display: grid;
  gap: 40px;
  margin-bottom: 48px;
}

.footer__brand__name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 8px;
}
.footer__brand__name span { color: var(--lime); }

.footer__brand__desc {
  font-size: 13px;
  color: var(--gray-light);
  line-height: 1.6;
  max-width: 240px;
}

.footer__col-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links a {
  font-size: 13px;
  color: var(--gray-light);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--white); }

.footer__contact-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--gray-light);
  transition: color var(--transition);
  margin-bottom: 14px;
}
.footer__contact-link:hover { color: var(--lime); }
.footer__contact-link svg { flex-shrink: 0; }

.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}

.footer__bottom p {
  font-size: 12px;
  color: var(--gray-mid);
}

/* ── WHATSAPP FLOTANTE ────────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 20px;
  z-index: 200;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(0,0,0,0.35), 0 0 0 0 rgba(37,211,102,0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: wa-pulse 3s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 10px 32px rgba(37,211,102,0.4);
  animation: none;
}

@keyframes wa-pulse {
  0%   { box-shadow: 0 6px 24px rgba(0,0,0,0.3), 0 0 0 0 rgba(37,211,102,0.35); }
  60%  { box-shadow: 0 6px 24px rgba(0,0,0,0.3), 0 0 0 14px rgba(37,211,102,0); }
  100% { box-shadow: 0 6px 24px rgba(0,0,0,0.3), 0 0 0 0 rgba(37,211,102,0); }
}

/* ── RESPONSIVE ───────────────────────────────────────────── */

/* Tablet: 640px+ */
@media (min-width: 640px) {
  .hero__ctas {
    flex-direction: row;
    justify-content: center;
  }

  .problems__grid {
    grid-template-columns: 1fr 1fr;
  }

  .solutions__grid {
    grid-template-columns: 1fr 1fr;
  }

  .usecases__grid {
    grid-template-columns: 1fr 1fr;
  }

  .method__steps {
    grid-template-columns: 1fr 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Desktop: 1024px+ */
@media (min-width: 1024px) {
  :root { --section-py: 110px; }

  .navbar__links { display: flex; }
  .navbar__cta { display: inline-flex; }
  .navbar__hamburger { display: none; }

  .solutions__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .method__steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .method-step {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Línea conectora entre pasos */
  .method__steps {
    position: relative;
  }
  .method__steps::before {
    content: '';
    position: absolute;
    top: 28px;
    left: calc(28px + 1fr);
    right: calc(28px + 1fr);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(184,240,0,0.25), transparent);
    pointer-events: none;
  }

  .diff__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
  }

  .usecases__grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .cta-final__card {
    padding: 88px 64px;
  }
}

@media (min-width: 1024px) {
  .problems__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
  }
  .problems__intro .section-title { font-size: 36px; }
}