:root {
  --color-navy: #152a63;
  --color-navy-dark: #0e1c47;
  --color-accent: #2f4d9e;
  --color-white: #ffffff;
  --color-offwhite: #f4f6fb;
  --color-text: #1c1c1c;
  --color-mint: #25d366;
  --color-gold: #d99a2b;
  --color-coral: #d9542b;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Poppins', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --container-max: 1200px;
  --radius: 12px;
  --transition-fast: 0.2s ease;
  --transition-mid: 0.4s ease;
  --header-height: 88px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: var(--header-height); }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-navy);
  line-height: 1.5;
  padding-top: var(--header-height);
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-heading); margin: 0 0 0.5em; font-weight: 700; }
p { margin: 0 0 1em; }
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.section { padding: 3.75rem 0; }
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-align: center;
  margin-bottom: 2.5rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--color-white); color: var(--color-navy); }
.btn-primary:hover { box-shadow: 0 8px 20px rgba(0,0,0,0.15); }

/* Scroll-reveal base state, activated by js/main.js */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: var(--color-navy);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}
.site-header.is-scrolled { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25); }

/* ---------- Wave dividers (the "Costa" in Costa Azul) ---------- */
.wave-divider {
  width: 100%;
  height: 48px;
  background: var(--wave-bg);
  overflow: hidden;
  line-height: 0;
}
.wave-divider svg {
  display: block;
  width: 140%;
  height: 100%;
  position: relative;
  left: -20%;
  animation: wave-drift 22s ease-in-out infinite alternate;
}
.wave-divider path { fill: var(--wave-fill); }
@keyframes wave-drift {
  from { transform: translateX(-2%); }
  to { transform: translateX(2%); }
}
@media (min-width: 768px) {
  .wave-divider { height: 64px; }
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 1.25rem;
  position: relative;
}
.logo-link {
  display: inline-flex;
  transition: transform var(--transition-fast);
}
.logo-link:hover { transform: translateY(-1px); }
.logo-img { height: 56px; width: auto; border-radius: 8px; }
.site-nav { display: none; gap: 2rem; }
.site-nav a {
  color: var(--color-white);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  position: relative;
  padding-bottom: 4px;
  transition: opacity var(--transition-fast);
}
.site-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: right var(--transition-fast);
}
.site-nav a:hover { opacity: 0.85; }
.site-nav a:hover::after { right: 0; }
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.site-nav.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-navy);
  padding: 1.5rem;
  gap: 1.25rem;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
  animation: nav-drop 0.25s ease;
}
@keyframes nav-drop {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(ellipse 80% 60% at 15% 0%, rgba(255, 255, 255, 0.05) 0%, transparent 60%),
    linear-gradient(160deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: var(--color-white);
  overflow: hidden;
  padding-top: 2rem;
}
.hero-shape {
  position: absolute;
  right: -10%;
  top: -20%;
  width: 60vw;
  height: 60vw;
  max-width: 600px;
  max-height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
  animation: float-shape 8s ease-in-out infinite;
}
.hero-shape--secondary {
  right: auto;
  left: -15%;
  top: auto;
  bottom: -25%;
  width: 45vw;
  height: 45vw;
  max-width: 420px;
  max-height: 420px;
  background: radial-gradient(circle, rgba(47, 77, 158, 0.35) 0%, transparent 70%);
  animation: float-shape 10s ease-in-out infinite reverse;
}
@keyframes float-shape {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(20px) rotate(8deg); }
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  text-align: center;
  padding: 3rem 1.25rem 4.5rem;
  position: relative;
  z-index: 1;
}
.hero-logo { height: 68px; width: auto; margin: 0 auto 1.75rem; }
.hero h1 {
  font-size: clamp(1.9rem, 5vw, 3.1rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.hero-subtitle {
  max-width: 520px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
  line-height: 1.6;
  opacity: 0.9;
}
.hero .btn-primary {
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}
.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  align-items: center;
}
.btn-hero-whatsapp {
  background: var(--color-mint);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}
.btn-hero-whatsapp svg { width: 20px; height: 20px; }
.btn-hero-whatsapp:hover { box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4); }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.hero-stat { display: flex; flex-direction: column; align-items: center; text-align: center; }
.hero-stat strong { font-family: var(--font-mono); font-size: 1.3rem; color: var(--color-white); }
.hero-stat span { font-size: 0.72rem; color: #b9c6ec; max-width: 110px; }

/* Phone mockup: desktop-only in the hero (mobile keeps a single phone,
   in the "Descargá la app" section, per client request). */
.hero-visual { display: none; }

@media (min-width: 768px) {
  .site-nav { display: flex; }
  .nav-toggle { display: none; }
}
@media (min-width: 960px) {
  .hero-inner { grid-template-columns: 1fr 0.9fr; text-align: left; padding: 4rem 1.25rem 5rem; }
  .hero-logo { margin: 0 0 1.75rem; }
  .hero h1, .hero-subtitle { margin-left: 0; margin-right: 0; max-width: none; }
  .hero-cta-group { flex-direction: row; align-items: center; justify-content: flex-start; }
  .hero-stats { justify-content: flex-start; }
  .hero-stat { align-items: flex-start; text-align: left; }

  .hero-visual { display: flex; position: relative; justify-content: center; }
  .hero-phone { position: relative; z-index: 1; }
  .phone-frame--hero {
    width: 220px;
    height: 450px;
    background: #0a0a0a;
    border-radius: 34px;
    padding: 10px;
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.45);
    animation: phone-float 6s ease-in-out infinite;
  }
  .phone-frame--hero .phone-video { border-radius: 24px; }

  .hero-float {
    position: absolute;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 16px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
    animation: hero-float-drift 7s ease-in-out infinite;
  }
  .hero-float svg { width: 24px; height: 24px; fill: var(--color-white); }
  .hero-float--1 { top: 6%; left: -4%; background: linear-gradient(160deg, #a13a63, #7a2748); animation-delay: 0s; }
  .hero-float--2 { top: 30%; right: -8%; background: linear-gradient(160deg, var(--color-gold), #a86f13); animation-delay: -2s; }
  .hero-float--3 { bottom: 20%; left: -8%; background: linear-gradient(160deg, var(--color-mint), #1a9c4c); animation-delay: -4s; }
  .hero-float--4 { bottom: 2%; right: -2%; background: linear-gradient(160deg, var(--color-accent), var(--color-navy)); animation-delay: -1.5s; }
}
@keyframes hero-float-drift {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(-4deg); }
}

/* ---------- Categorías ---------- */
.categories { background: var(--color-offwhite); }
.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.category-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 2.25rem 1rem 1.75rem;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-navy));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(21, 42, 99, 0.15), 0 0 26px rgba(47, 77, 158, 0.28);
  background: linear-gradient(180deg, #ffffff, var(--color-offwhite));
}
.category-card:hover::before { transform: scaleX(1); }
.category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: linear-gradient(160deg, var(--color-navy) 0%, var(--color-accent) 100%);
  box-shadow: 0 6px 16px rgba(21, 42, 99, 0.25);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.category-card:hover .category-icon {
  transform: scale(1.1) rotate(-4deg);
  box-shadow: 0 6px 16px rgba(21, 42, 99, 0.25), 0 0 0 6px rgba(47, 77, 158, 0.15);
}
.category-icon-glyph svg { width: 26px; height: 26px; fill: var(--color-white); }
.category-card h3 {
  font-size: 1rem;
  margin: 0;
  color: var(--color-navy);
  letter-spacing: 0.01em;
}

@media (min-width: 600px) {
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 992px) {
  .categories-grid { grid-template-columns: repeat(4, 1fr); }
  .category-card { padding: 2.5rem 1.25rem 2rem; }
}

/* ---------- Cómo funciona ---------- */
.how-it-works { background: var(--color-offwhite); }
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  position: relative;
}
.step {
  position: relative;
  text-align: center;
  padding-top: 0.5rem;
}
.step-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}
.step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.1rem;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-navy);
  box-shadow: 0 8px 18px rgba(21, 42, 99, 0.12);
  position: relative;
  z-index: 1;
}
.step-icon svg { width: 28px; height: 28px; fill: var(--color-navy); }
.step h3 { color: var(--color-navy); font-size: 1.15rem; margin-bottom: 0.4rem; }
.step p { color: #3a3a3a; font-size: 0.95rem; max-width: 320px; margin: 0 auto; }

@media (min-width: 860px) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
  .steps::before {
    content: "";
    position: absolute;
    top: 2.5rem;
    left: 16.6%;
    right: 16.6%;
    height: 0;
    border-top: 2px dashed rgba(21, 42, 99, 0.25);
    z-index: 0;
  }
}

/* ---------- Nosotros ---------- */
.about { background: var(--color-white); }
.about-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 2.75rem;
}
.about-block:last-child { margin-bottom: 0; }

.about-lead {
  max-width: 720px;
  margin: 0 auto 2.75rem;
  text-align: center;
  font-size: 1.15rem;
  color: #3a3a3a;
}
.about-closing {
  max-width: 640px;
  margin: 2.75rem auto 0;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(21, 42, 99, 0.12);
  text-align: center;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-navy);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-navy));
}
.eyebrow--light { color: #b9c6ec; }
.eyebrow--light::before { background: linear-gradient(90deg, var(--color-white), var(--color-accent)); }
.eyebrow--center { justify-content: center; }
.about-text h3 { color: var(--color-navy); font-size: 1.5rem; }
.about-text p { color: #3a3a3a; }

/* Geometric media blocks: layered triangles echo the "CA" mark */
.about-media {
  position: relative;
  isolation: isolate;
  border-radius: var(--radius);
  min-height: 280px;
  aspect-ratio: 4 / 3.4;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(21, 42, 99, 0.1);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.about-media:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(21, 42, 99, 0.2);
}
.about-shape {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}
.about-shape--1 {
  width: 75%;
  height: 75%;
  left: -12%;
  bottom: -18%;
  clip-path: polygon(0% 100%, 100% 100%, 35% 0%);
  transform: rotate(-4deg);
}
.about-shape--2 {
  width: 48%;
  height: 58%;
  right: -10%;
  top: -12%;
  clip-path: polygon(0% 0%, 100% 0%, 55% 100%);
  transform: rotate(6deg);
}

.about-media--catalog {
  background: linear-gradient(160deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
}
.about-media--catalog .about-shape--1 { background: rgba(47, 77, 158, 0.55); }
.about-media--catalog .about-shape--2 { background: rgba(255, 255, 255, 0.08); }
.category-cluster {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 8px;
}
.cluster-chip {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.3);
  transition: transform var(--transition-fast);
}
.cluster-chip svg { width: 26px; height: 26px; fill: var(--color-white); }
.about-media--catalog:hover .cluster-chip { transform: translateY(-3px); }
.cluster-chip--1 { background: linear-gradient(160deg, #a13a63, #7a2748); transform: translateY(10px); }
.cluster-chip--2 { background: linear-gradient(160deg, #d99a2b, #a86f13); transform: translateY(-8px); }
.cluster-chip--3 { background: linear-gradient(160deg, var(--color-accent), var(--color-navy)); transform: translateY(14px); }
.cluster-chip--4 { background: linear-gradient(160deg, #3f9142, #275c29); transform: translateY(-4px); }
.cluster-chip--5 { background: linear-gradient(160deg, #d9542b, #a83913); transform: translateY(6px); }
.cluster-chip--6 { background: linear-gradient(160deg, #4aa3b0, #2b6b74); transform: translateY(-12px); }

.about-media--app {
  background: var(--color-offwhite);
  border: 2px solid var(--color-navy);
}

.floating-badge {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-white);
  color: var(--color-navy);
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22);
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  animation: badge-float 5s ease-in-out infinite;
}
.floating-badge svg { width: 16px; height: 16px; flex-shrink: 0; }
.floating-badge--app { bottom: 22px; right: 16px; }
.floating-badge--delivery { top: 20px; right: 18px; animation-delay: -2.5s; }
@keyframes badge-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.about-media--app .about-shape--1 { background: rgba(21, 42, 99, 0.08); }
.about-media--app .about-shape--2 { background: rgba(47, 77, 158, 0.14); }

.about-media--delivery {
  background: linear-gradient(160deg, var(--color-accent) 0%, var(--color-navy) 100%);
}
.about-media--delivery .about-shape--1 { background: rgba(14, 28, 71, 0.35); }
.about-media--delivery .about-shape--2 { background: rgba(255, 255, 255, 0.12); }

/* Mini phone illustration for the "La app" block */
.mini-phone {
  position: relative;
  z-index: 1;
  width: 152px;
  height: 276px;
  background: var(--color-navy-dark);
  border-radius: 20px;
  padding: 8px;
  box-shadow: 0 16px 32px rgba(21, 42, 99, 0.28), 0 0 0 2px rgba(21, 42, 99, 0.06);
}
.mini-phone-screen {
  height: 100%;
  background: var(--color-white);
  border-radius: 13px;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mini-phone-topbar { display: flex; align-items: center; justify-content: space-between; }
.mini-phone-logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--color-navy);
}
.mini-phone-cart { width: 18px; height: 18px; }
.mini-phone-row { height: 34px; border-radius: 8px; background: var(--color-offwhite); position: relative; overflow: hidden; }
.mini-phone-row::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 18px;
  border-radius: 4px;
}
.mini-phone-row--wine::before { background: #a13a63; }
.mini-phone-row--beer::before { background: #d99a2b; }
.mini-phone-row--spirit::before { background: var(--color-accent); }
.mini-phone-cta {
  margin-top: auto;
  height: 22px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-navy));
}

/* Team avatar cluster for the "Nuestra empresa" block */
.team-avatars {
  position: relative;
  z-index: 1;
  display: flex;
}
.avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.25);
}
.avatar svg { width: 34px; height: 34px; fill: var(--color-white); }
.avatar--1 { background: linear-gradient(160deg, #4aa3b0, #2b6b74); margin-right: -18px; z-index: 1; transform: translateY(6px); }
.avatar--2 { background: linear-gradient(160deg, var(--color-white), #dfe6f7); z-index: 2; }
.avatar--2 svg { fill: var(--color-navy); }
.avatar--3 { background: linear-gradient(160deg, #d9542b, #a83913); margin-left: -18px; z-index: 1; transform: translateY(6px); }

@media (min-width: 768px) {
  .about-block { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .about-block-reverse .about-media { order: 2; }
  .about-block-reverse .about-text { order: 1; }
}

/* ---------- Descargá la app ---------- */
.app-download {
  background: linear-gradient(160deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: var(--color-white);
  overflow: hidden;
}
.app-download-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
.phone-mockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}
.phone-frame {
  width: 240px;
  height: 490px;
  background: #0a0a0a;
  border-radius: 36px;
  padding: 12px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}
.phone-frame--main {
  animation: phone-float 6s ease-in-out infinite;
}
.phone-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 26px;
}
@keyframes phone-float {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-14px) rotate(2deg); }
}

/* Supplementary strip of real App Store screenshots, styled as small phone screens */
.screens-strip {
  display: flex;
  justify-content: center;
  gap: 1rem;
}
.screen-thumb {
  width: 76px;
  height: 164px;
  border-radius: 18px;
  overflow: hidden;
  border: 3px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
  opacity: 0.8;
  transition: opacity var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.screen-thumb:nth-child(2) { margin-top: -14px; }
.screen-thumb:hover {
  opacity: 1;
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
}
.screen-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.app-download-text .section-title { color: var(--color-white); }
.app-download-text p { color: rgba(255, 255, 255, 0.85); }
.store-buttons { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.store-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #000;
  color: var(--color-white);
  padding: 0.65rem 1.4rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-weight: 600;
  line-height: 1.15;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.store-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35); background: #1a1a1a; }
.store-icon { width: 28px; height: 28px; flex-shrink: 0; color: var(--color-white); }
.store-btn-text { display: flex; flex-direction: column; font-size: 1.05rem; }
.store-btn-text small { font-size: 0.7rem; font-weight: 400; opacity: 0.85; text-transform: none; }

@media (min-width: 768px) {
  .app-download-inner { grid-template-columns: 1fr 1fr; }
  .phone-mockup { flex-direction: row; align-items: center; gap: 1.5rem; }
  .screens-strip { flex-direction: column; }
  .screen-thumb:nth-child(2) { margin-top: 0; margin-left: -10px; }
  .store-buttons { flex-direction: row; }
}

/* ---------- Contacto ---------- */
.contact {
  position: relative;
  background: var(--color-offwhite);
  overflow: hidden;
  text-align: center;
}
.contact-shape {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 70vw;
  height: 70vw;
  max-width: 640px;
  max-height: 640px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(47, 77, 158, 0.08) 0%, transparent 70%);
  animation: float-shape 9s ease-in-out infinite;
  pointer-events: none;
}
.contact-inner {
  position: relative;
  z-index: 1;
  max-width: 560px;
}
.contact-subtitle {
  max-width: 480px;
  margin: 0 auto 2.25rem;
  color: #4a4a4a;
  font-size: 1.05rem;
}
.btn-whatsapp {
  position: relative;
  background: #25d366;
  color: var(--color-white);
  padding: 1rem 2.25rem;
  font-size: 1.1rem;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover {
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.4);
}
.whatsapp-icon { width: 26px; height: 26px; flex-shrink: 0; }
.whatsapp-btn-text { display: flex; flex-direction: column; text-align: left; line-height: 1.2; }
.whatsapp-btn-text small { font-size: 0.7rem; font-weight: 500; opacity: 0.9; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-navy-dark);
  color: var(--color-white);
  padding: 2.75rem 0;
}
.footer-inner { text-align: center; }
.footer-logo {
  height: 34px;
  width: auto;
  margin: 0 auto 1.1rem;
  border-radius: 6px;
  opacity: 0.95;
}
.footer-inner p {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.01em;
  opacity: 0.7;
}

/* ---------- Floating WhatsApp button ---------- */
.whatsapp-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 150;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-mint);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.3);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  animation: fab-pulse 3s ease-in-out infinite;
}
.whatsapp-fab svg { width: 28px; height: 28px; }
.whatsapp-fab:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}
@keyframes fab-pulse {
  0%, 100% { box-shadow: 0 8px 22px rgba(0, 0, 0, 0.3), 0 0 0 0 rgba(37, 211, 102, 0.5); }
  50% { box-shadow: 0 8px 22px rgba(0, 0, 0, 0.3), 0 0 0 10px rgba(37, 211, 102, 0); }
}
@media (min-width: 768px) {
  .whatsapp-fab { right: 28px; bottom: 28px; }
}