/* ============================================================
   Peibasoft — Main Stylesheet
   Author: Peibasoft Dev Team
   Version: 1.0.0
   Structure:
     1. Custom Properties (Design Tokens)
     2. Reset & Base
     3. Typography
     4. Layout Utilities
     5. Components
        5.1 Navbar
        5.2 Hero
        5.3 Services
        5.4 Tech Belt
        5.5 Process
        5.6 Why Us
        5.7 Testimonials
        5.8 CTA / Contact
        5.9 Footer
     6. Animations & Motion
     7. Responsive
   ============================================================ */


/* ── 1. DESIGN TOKENS ─────────────────────────────────────── */
:root {
  /* Palette */
  --color-bg-base:      #060C18;
  --color-bg-surface:   #0C1424;
  --color-bg-raised:    #111C30;

  --color-green:        #00C8FF;   /* Peibasoft brand cyan */
  --color-green-dim:    #009ECC;
  --color-green-glow:   rgba(0, 200, 255, 0.22);
  --color-green-tint:   rgba(0, 200, 255, 0.08);
  --color-green-border: rgba(0, 200, 255, 0.18);

  --color-blue-mid:     #0D2A4A;
  --color-blue-accent:  #1A4FBE;

  --color-text:         #E4EDF8;
  --color-text-muted:   #7A92B4;
  --color-text-faint:   #3D5275;

  --color-border:       rgba(0, 200, 255, 0.1);
  --color-border-hover: rgba(0, 136, 255, 0.3);

  /* Shadows / Glows */
  --shadow-card:        0 8px 32px rgba(0,0,0,0.4);
  --shadow-card-hover:  0 20px 60px rgba(0,0,0,0.5), 0 0 40px var(--color-green-glow);
  --glow-green:         0 0 40px var(--color-green-glow);

  /* Typography */
  --font-display: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body:    'Inter', 'Segoe UI', system-ui, sans-serif;

  /* Spacing scale (8pt grid) */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2rem;
  --sp-6: 3rem;
  --sp-8: 4rem;
  --sp-12: 6rem;
  --sp-16: 8rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 99px;

  /* Transitions */
  --transition-base: 0.25s ease;
  --transition-slow: 0.45s ease;

  /* Section horizontal padding */
  --section-x: clamp(1.5rem, 6vw, 6rem);
}


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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--color-bg-base);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
}

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


/* ── 3. TYPOGRAPHY ────────────────────────────────────────── */
.text-display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.text-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-green);
}

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


/* ── 4. LAYOUT UTILITIES ──────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--section-x);
}

.section-block {
  padding-block: var(--sp-12);
  padding-inline: var(--section-x);
}

.section-head {
  margin-bottom: var(--sp-8);
}

.section-head .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  max-width: 640px;
  margin-top: var(--sp-1);
}

.section-head .section-sub {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin-top: var(--sp-2);
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}


/* ── 5.1 NAVBAR ───────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--section-x);
  background: rgba(6, 12, 24, 0.8);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}

.navbar.scrolled {
  background: rgba(6, 12, 24, 0.95);
}

.navbar__logo {
  display: flex;
  align-items: center;
  height: 36px;
}

.navbar__logo img {
  height: 50px;
  width: auto;
}

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

.navbar__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}

.navbar__links a:hover {
  color: var(--color-green);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: box-shadow var(--transition-base), transform var(--transition-base), background var(--transition-base);
}

.btn--primary {
  background: var(--color-green);
  color: #050D1A;
  padding: 0.6rem 1.4rem;
  font-size: 0.875rem;
  text-align: center;
}

.btn--primary:hover {
  box-shadow: var(--glow-green);
  transform: translateY(-1px);
}

.btn--primary-lg {
  background: var(--color-green);
  color: #050D1A;
  padding: 0.9rem 2.2rem;
  font-size: 1rem;
  border-radius: var(--radius-sm);
}

.btn--primary-lg:hover {
  box-shadow: var(--glow-green);
  transform: translateY(-2px);
}

.btn--ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.9rem 2.2rem;
  font-size: 1rem;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-sm);
}

.btn--ghost:hover {
  background: var(--color-green-tint);
  border-color: var(--color-border-hover);
}


/* ── 5.2 HERO ─────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--sp-16) var(--section-x) var(--sp-8);
  overflow: hidden;
}

/* Animated circuit grid */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-green-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-green-border) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 50%, black 30%, transparent 100%);
  animation: gridPulse 9s ease-in-out infinite;
  pointer-events: none;
}

/* Ambient orbs */
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.hero__orb--green {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,200,150,0.16) 0%, transparent 70%);
  top: -100px; left: -120px;
  animation: floatA 14s ease-in-out infinite;
}

.hero__orb--blue {
  width: 440px; height: 440px;
  background: radial-gradient(circle, rgba(26,79,190,0.18) 0%, transparent 70%);
  bottom: -80px; right: -100px;
  animation: floatB 11s ease-in-out infinite;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  background: var(--color-green-tint);
  border: 1px solid var(--color-green-border);
  border-radius: var(--radius-pill);
  padding: 0.35rem 1.1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-green);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
  position: relative;
}

.hero__badge-dot {
  width: 6px; height: 6px;
  background: var(--color-green);
  border-radius: 50%;
  animation: blink 1.6s ease-in-out infinite;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6.5vw, 5.2rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.035em;
  max-width: 860px;
  margin-bottom: var(--sp-3);
  position: relative;
}

.hero__title em {
  font-style: normal;
  background: linear-gradient(130deg, var(--color-green) 0%, #00F0B5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: var(--sp-6);
  font-weight: 400;
  line-height: 1.7;
  position: relative;
}

.hero__actions {
  display: flex;
  gap: var(--sp-2);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* Stats row */
.hero__stats {
  display: flex;
  gap: var(--sp-8);
  justify-content: space-around;
  flex-wrap: wrap;
  margin-top: var(--sp-8);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--color-border);
  position: relative;
  width: 100%;
}

.stat__number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(130deg, var(--color-green), #00F0B5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.3rem;
  max-width: 200px;
}


/* ── 5.3 SERVICES ─────────────────────────────────────────── */
#servicios {
  background: var(--color-bg-base);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-green), #00F0B5);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card-hover);
}

.service-card:hover::before { opacity: 1; }

.service-card__icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--sp-3);
  background: var(--color-green-tint);
  border: 1px solid var(--color-green-border);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: var(--sp-1);
  color: var(--color-text);
}

.service-card__body {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}


/* ── 5.4 TECH BELT ────────────────────────────────────────── */
#tecnologias {
  padding-block: var(--sp-6);
  padding-inline: 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.tech-belt__label {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}

.tech-belt__track {
  display: flex;
  gap: 2rem;
  width: max-content;
  animation: ticker 24s linear infinite;
}

.tech-belt__track:hover { animation-play-state: paused; }

.tech-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  white-space: nowrap;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.tech-pill__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-green);
}


/* ── 5.5 PROCESS ──────────────────────────────────────────── */
#proceso {
  background: linear-gradient(180deg, var(--color-bg-base), #080F1E);
}

.process__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0;
  position: relative;
}

.process__connector {
  position: absolute;
  top: 27px; left: 12%; right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-green), #00F0B5, transparent);
  pointer-events: none;
}

.process-step {
  text-align: center;
  padding: 0 var(--sp-3);
  position: relative;
}

.process-step__num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--color-bg-surface);
  border: 2px solid var(--color-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-green);
  margin: 0 auto var(--sp-3);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 22px rgba(0,200,150,0.2);
}

.process-step__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--sp-1);
}

.process-step__body {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}


/* ── 5.6 WHY US ───────────────────────────────────────────── */
#por-que {
  background: var(--color-bg-base);
}

.why__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: center;
}

.why__points {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  margin-top: var(--sp-6);
}

.why-point {
  display: flex;
  gap: var(--sp-3);
}

.why-point__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.why-point__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

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

/* Metrics panel */
.metrics-panel {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-6);
  position: relative;
  overflow: hidden;
}

.metrics-panel::after {
  content: '';
  position: absolute;
  bottom: -60px; right: -60px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(0,200,150,0.14) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.metrics-panel__label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-4);
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--color-border);
}

.metric-row:last-of-type { border-bottom: none; }

.metric-row__name {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  min-width: 140px;
}

.metric-row__bar-wrap {
  flex: 1;
  margin: 0 var(--sp-2);
  height: 5px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.metric-row__bar {
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-green), #00F0B5);
}

.metric-row__val {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-green);
  min-width: 40px;
  text-align: right;
}

.roi-badge {
  margin-top: var(--sp-4);
  padding: var(--sp-3);
  background: var(--color-green-tint);
  border: 1px solid var(--color-green-border);
  border-radius: var(--radius-md);
}

.roi-badge__label { font-size: 0.8rem; color: var(--color-text-muted); }

.roi-badge__value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(130deg, var(--color-green), #00F0B5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.roi-badge__sub { font-size: 0.75rem; color: var(--color-text-muted); margin-top: 0.15rem; }


/* ── 5.7 TESTIMONIALS ─────────────────────────────────────── */
#testimonios {
  background: #08101E;
}

.testi__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.testi-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
}

.testi-card__quote {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 2.5rem;
  line-height: 1;
  color: var(--color-green);
  margin-bottom: var(--sp-1);
}

.testi-card__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--sp-3);
}

.testi-card__author {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.testi-card__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-green), #00F0B5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #050D1A;
  flex-shrink: 0;
}

.testi-card__name {
  font-weight: 600;
  font-size: 0.875rem;
}

.testi-card__role {
  font-size: 0.775rem;
  color: var(--color-text-muted);
}


/* ── 5.8 CTA / CONTACT ────────────────────────────────────── */
#contacto {
  position: relative;
  padding-block: var(--sp-16);
  padding-inline: var(--section-x);
  overflow: hidden;
  background: var(--color-bg-base);
}

#contacto::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 65% 55% at 50% 50%, rgba(0,200,150,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta__inner {
  text-align: center;
  position: relative;
  max-width: 720px;
  margin-inline: auto;
}

.cta__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: var(--sp-3);
}

.cta__sub {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: var(--sp-6);
  line-height: 1.7;
}

.cta__form {
  display: flex;
  gap: var(--sp-2);
  justify-content: center;
  flex-wrap: wrap;
}

.cta__input {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  outline: none;
  width: 300px;
  transition: border-color var(--transition-base);
}

.cta__input::placeholder { color: var(--color-text-muted); }
.cta__input:focus { border-color: var(--color-green); }

.cta__note {
  margin-top: var(--sp-3);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}


/* ── 5.9 FOOTER ───────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--sp-4) var(--section-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-2);
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.footer__logo {
  height: 28px;
  width: auto;
}

.footer__links {
  display: flex;
  gap: var(--sp-4);
}

.footer__links a {
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}

.footer__links a:hover { color: var(--color-green); }


/* ── 6. ANIMATIONS ────────────────────────────────────────── */
@keyframes gridPulse {
  0%, 100% { opacity: 0.55; }
  50%       { opacity: 1; }
}

@keyframes floatA {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(45px, 35px); }
}

@keyframes floatB {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(-35px, -28px); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}


/* ── 7. RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 900px) {
  .why__grid { grid-template-columns: 1fr; }
  .process__connector { display: none; }
  .process-step { padding-block: var(--sp-2); }
}

@media (max-width: 768px) {
  .navbar__links { display: none; }

  .hero__stats {
    gap: var(--sp-4);
    justify-content: space-around;
  }

  .stat__label { font-size: 0.75rem; }
}

@media (max-width: 480px) {
  .cta__form { flex-direction: column; align-items: stretch; }
  .cta__input { width: 100%; }
  .btn--primary-lg, .btn--ghost { width: 100%; }
}


/* ── 8. WHATSAPP FLOATING BUTTON ─────────────────────────── */

/* Container — fixed bottom-right */
.wa-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

/* Tooltip bubble */
.wa-float__tooltip {
  background: #0C1A28;
  border: 1px solid rgba(0, 200, 150, 0.2);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  white-space: nowrap;
  pointer-events: none;

  /* Hidden by default, slides in on hover */
  opacity: 0;
  transform: translateX(10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.wa-float__tooltip::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  border-width: 5px 0 5px 5px;
  border-style: solid;
  border-color: transparent transparent transparent rgba(0,200,150,0.2);
}

.wa-float:hover .wa-float__tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Main button */
.wa-float__btn {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  border: none;

  /* Lift shadow */
  box-shadow:
    0 4px 20px rgba(37, 211, 102, 0.4),
    0 2px 8px rgba(0,0,0,0.3);

  /* Entrance animation */
  animation:
    wa-entrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
    wa-pulse 2.8s ease-in-out 1.2s infinite;

  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.wa-float__btn:hover {
  transform: scale(1.1);
  box-shadow:
    0 6px 28px rgba(37, 211, 102, 0.55),
    0 4px 12px rgba(0,0,0,0.35);
  animation:
    wa-entrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
    wa-pulse-hover 0.8s ease-in-out infinite;
}

/* WhatsApp SVG icon */
.wa-float__btn svg {
  width: 30px;
  height: 30px;
  fill: #ffffff;
  position: relative;
  z-index: 1;
}

/* Ripple ring — the attention-grabbing effect */
.wa-float__btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.6);
  animation: wa-ripple 2.8s ease-out 1.2s infinite;
}

.wa-float__btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.35);
  animation: wa-ripple 2.8s ease-out 1.8s infinite;
}

/* Notification dot */
.wa-float__dot {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 12px;
  height: 12px;
  background: #FF4545;
  border: 2px solid #25D366;
  border-radius: 50%;
  animation: wa-dot-blink 2.8s ease-in-out 1.2s infinite;
  z-index: 2;
}

/* ── Keyframes ── */
@keyframes wa-entrance {
  from {
    opacity: 0;
    transform: scale(0.4) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4), 0 2px 8px rgba(0,0,0,0.3); }
  50%       { box-shadow: 0 4px 28px rgba(37,211,102,0.65), 0 2px 8px rgba(0,0,0,0.3); }
}

@keyframes wa-pulse-hover {
  0%, 100% { box-shadow: 0 6px 28px rgba(37,211,102,0.55), 0 4px 12px rgba(0,0,0,0.35); }
  50%       { box-shadow: 0 6px 40px rgba(37,211,102,0.8),  0 4px 12px rgba(0,0,0,0.35); }
}

@keyframes wa-ripple {
  0%   { transform: scale(1);   opacity: 0.7; }
  100% { transform: scale(2.2); opacity: 0; }
}

@keyframes wa-dot-blink {
  0%, 80%, 100% { opacity: 1; transform: scale(1); }
  40%            { opacity: 0.3; transform: scale(0.7); }
}

/* Mobile adjustments */
@media (max-width: 480px) {
  .wa-float {
    bottom: 20px;
    right: 20px;
  }
  .wa-float__btn {
    width: 54px;
    height: 54px;
  }
  .wa-float__btn svg {
    width: 26px;
    height: 26px;
  }
}


/* ── 9. LANGUAGE PICKER ───────────────────────────────────── */

/* Navbar right group: CTA + lang picker side by side */
.navbar__right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Wrapper — relative so dropdown anchors to it */
.lang-picker {
  position: relative;
}

/* Trigger button */
.lang-picker__trigger {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.45rem 0.25rem;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: border-color var(--transition-base), background var(--transition-base), color var(--transition-base);
  min-width: 36px;
}

.lang-picker__trigger:hover,
.lang-picker__trigger[aria-expanded="true"] {
  border-color: var(--color-green);
  background: var(--color-green-tint);
  color: var(--color-green);
}

/* Flag SVG */
.lang-flag {
  width: 20px;
  height: 14px;
  border-radius: 2px;
  display: block;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.35);
}

/* Language code label (ES / EN) */
.lang-picker__code {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  color: inherit;
}

/* Chevron arrow */
.lang-picker__chevron {
  width: 8px;
  height: 5px;
  color: inherit;
  transition: transform 0.2s ease;
  margin-top: 1px;
}

.lang-picker__trigger[aria-expanded="true"] .lang-picker__chevron {
  transform: rotate(180deg);
}

/* Dropdown panel */
.lang-picker__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #0C1A28;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.35rem;
  min-width: 130px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.5);
  list-style: none;

  /* Hidden state */
  opacity: 0;
  transform: translateY(-6px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 300;
}

.lang-picker__dropdown.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Each option */
.lang-picker__option {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  width: 100%;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  font-weight: 500;
  font-family: var(--font-body);
  transition: background var(--transition-base), color var(--transition-base);
  white-space: nowrap;
}

.lang-picker__option:hover {
  background: var(--color-green-tint);
  color: var(--color-text);
}

.lang-picker__option--active {
  color: var(--color-green);
  background: rgba(0,200,150,0.06);
}

.lang-picker__option--active::after {
  content: '✓';
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--color-green);
}

/* Mobile: hide lang picker label, keep flag only */
@media (max-width: 480px) {
  .lang-picker__code { display: none; }
  .lang-picker__trigger { padding: 0.3rem; }
}