/* ============================================================
   JAS Tampo Screen Impresores | css/styles.css
   Diseño premium corporativo – Mobile First
   ============================================================ */

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

:root {
  /* Paleta */
  --clr-bg:         #080d1a;
  --clr-bg-alt:     #0d1426;
  --clr-surface:    #111827;
  --clr-surface-2:  #1a2235;
  --clr-border:     rgba(255,255,255,0.08);

  --clr-primary:    #7b2fff;      /* Azul-violeta eléctrico (brand anchor) */
  --clr-primary-lt: #9b5fff;
  --clr-accent:     #00d98b;      /* Verde esmeralda – CTA y accents */
  --clr-accent-lt:  #33e8a2;
  --clr-red:        #e03060;      /* Acento rojo-azulado */
  --clr-gold:       #f5c842;

  --clr-text:       #e8ecf4;
  --clr-text-muted: #8796b3;
  --clr-text-dim:   #4a5a7a;

  --clr-wa:         #25D366;
  --clr-wa-dark:    #1aab52;

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

  /* Espaciado */
  --gap-xs:   0.5rem;
  --gap-sm:   1rem;
  --gap-md:   1.5rem;
  --gap-lg:   2.5rem;
  --gap-xl:   4rem;
  --gap-2xl:  6rem;

  /* Radios */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
  --shadow-accent: 0 0 40px rgba(0,217,139,0.25);
  --shadow-primary: 0 0 40px rgba(123,47,255,0.3);

  /* Transiciones */
  --transition-fast: 180ms ease;
  --transition-base: 320ms cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 600ms cubic-bezier(0.4,0,0.2,1);

  /* Layout */
  --container-max: 1280px;
  --header-h: 80px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
details > summary { list-style: none; }
details > summary::-webkit-details-marker { display: none; }
address { font-style: normal; }

/* ── SCROLLBAR ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-primary); border-radius: 3px; }

/* ── SELECTION ──────────────────────────────────────────── */
::selection { background: var(--clr-primary); color: #fff; }

/* ── CONTAINER ──────────────────────────────────────────── */
.container {
  width: 92%;
  max-width: var(--container-max);
  margin: 0 auto;
}

/* ── SECTION LABELS & TITLES ───────────────────────────── */
.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-accent);
  padding: 0.35em 1em;
  border: 1px solid rgba(0,217,139,0.3);
  border-radius: var(--radius-pill);
  margin-bottom: var(--gap-md);
  background: rgba(0,217,139,0.06);
}
.section-label--light { color: var(--clr-accent); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--gap-md);
}

.section-desc {
  max-width: 560px;
  color: var(--clr-text-muted);
  font-size: 1.05rem;
  margin-bottom: var(--gap-lg);
}

.section-header {
  text-align: center;
  margin-bottom: var(--gap-xl);
}
.section-header .section-desc { margin: 0 auto var(--gap-lg); }

.text-accent { color: var(--clr-accent); }
.section-title--light { color: #fff; }

/* ── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 0.85em 1.8em;
  border-radius: var(--radius-pill);
  transition: var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.07);
  opacity: 0;
  transition: var(--transition-fast);
}
.btn:hover::after { opacity: 1; }

.btn--primary {
  background: linear-gradient(135deg, var(--clr-accent) 0%, #00b870 100%);
  color: #060e1d;
  box-shadow: 0 4px 20px rgba(0,217,139,0.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,217,139,0.45);
}
.btn--ghost {
  border: 1.5px solid rgba(255,255,255,0.2);
  color: var(--clr-text);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}
.btn--whatsapp {
  background: linear-gradient(135deg, var(--clr-wa) 0%, var(--clr-wa-dark) 100%);
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 6px 28px rgba(37,211,102,0.4);
}
.btn--whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(37,211,102,0.5);
}
.btn--lg  { padding: 1em 2.2em; font-size: 1.05rem; }
.btn--xl  { padding: 1.2em 2.8em; font-size: 1.15rem; }

/* ── ANIMATE ON SCROLL ──────────────────────────────────── */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
[data-animate="fade-right"] { transform: translateX(-40px); }
[data-animate="fade-left"]  { transform: translateX(40px); }
[data-animate].is-visible {
  opacity: 1;
  transform: none;
}

/* ══════════════════════════════════════
   HEADER / NAVIGATION
══════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.site-header.scrolled {
  background: rgba(8,13,26,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--clr-border), 0 4px 24px rgba(0,0,0,0.4);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 4%;
  max-width: 1400px;
  margin: 0 auto;
}

/* Logo */
.nav-logo, .footer-logo { display: inline-block; }
.logo-mark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-primary));
  border-radius: 10px;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; }
.logo-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: #fff;
}
.logo-sub {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-accent);
  line-height: 1;
}

/* Desktop nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.5em 0.9em;
  border-radius: var(--radius-sm);
  color: var(--clr-text-muted);
  transition: var(--transition-fast);
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.06); }
.nav-link--highlight { color: var(--clr-accent) !important; }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.65em 1.4em;
  background: var(--clr-wa);
  color: #fff;
  border-radius: var(--radius-pill);
  margin-left: 0.75rem;
  transition: var(--transition-base);
  box-shadow: 0 4px 16px rgba(37,211,102,0.3);
}
.nav-cta:hover {
  background: var(--clr-wa-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,211,102,0.4);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: var(--radius-sm);
}
.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition-fast);
}
.nav-hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: rgba(8,13,26,0.98);
  backdrop-filter: blur(24px);
  padding: var(--gap-lg) 6%;
  transform: translateY(-100%);
  opacity: 0;
  transition: var(--transition-base);
  pointer-events: none;
  border-bottom: 1px solid var(--clr-border);
}
.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-link {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  padding: 0.8em 0;
  color: var(--clr-text-muted);
  border-bottom: 1px solid var(--clr-border);
  transition: color var(--transition-fast);
}
.mobile-link:hover { color: var(--clr-accent); }
.mobile-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  margin-top: var(--gap-md);
  padding: 1em;
  background: var(--clr-wa);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  border-radius: var(--radius-pill);
  font-size: 1.05rem;
}

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

.hero-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-video {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.35) saturate(1.1);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(8,13,26,0.85) 0%,
    rgba(8,13,26,0.5) 50%,
    rgba(8,13,26,0.7) 100%
  );
}

/* Noise texture overlay */
.hero-noise {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--gap-xl) 0;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.45em 1.2em;
  border: 1px solid rgba(0,217,139,0.4);
  border-radius: var(--radius-pill);
  color: var(--clr-accent);
  background: rgba(0,217,139,0.08);
  margin-bottom: var(--gap-md);
}
.hero-badge i { font-size: 0.9em; }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: var(--gap-md);
  color: #fff;
}
.hero-title--accent {
  font-style: normal;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-primary-lt));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--gap-lg);
  font-weight: 300;
  line-height: 1.7;
}
.hero-subtitle strong { color: #fff; font-weight: 600; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-xl);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-lg);
  padding-top: var(--gap-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat {
  display: flex;
  align-items: baseline;
  gap: 0.1em;
  flex-wrap: wrap;
}
.hero-stat__num {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.hero-stat__suffix {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--clr-accent);
  line-height: 1;
}
.hero-stat__label {
  width: 100%;
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.hero-scroll__line {
  display: block;
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, transparent, var(--clr-accent));
  animation: scrollLine 1.8s ease-in-out infinite;
}
.hero-scroll__text {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}
@keyframes scrollLine {
  0%, 100% { opacity: 0; transform: scaleY(0.5) translateY(-20px); }
  50% { opacity: 1; transform: scaleY(1) translateY(0); }
}

/* ══════════════════════════════════════
   ABOUT SECTION
══════════════════════════════════════ */
.about {
  padding: var(--gap-2xl) 0;
  background: var(--clr-bg-alt);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-xl);
  align-items: center;
}
.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: visible;
}
.about-img {
  width: 100%;
  border-radius: var(--radius-lg);
  filter: brightness(0.9);
  /* Imagen placeholder gris – reemplazar con foto real */
  background: var(--clr-surface-2);
  min-height: 400px;
  object-fit: cover;
}
.about-badge-float {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--clr-accent), #009b5e);
  color: #060e1d;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  padding: 1.2rem 1.4rem;
  border-radius: var(--radius-md);
  text-align: center;
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: var(--shadow-md);
}
.about-badge-float i { font-size: 1.6rem; }

.about-content .section-title { margin-top: 0.5rem; }
.about-lead {
  font-size: 1.1rem;
  color: var(--clr-text);
  margin-bottom: var(--gap-sm);
  line-height: 1.7;
}
.about-body {
  color: var(--clr-text-muted);
  margin-bottom: var(--gap-sm);
}
.about-pillars {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
  margin: var(--gap-lg) 0;
}
.pillar {
  display: flex;
  align-items: flex-start;
  gap: var(--gap-sm);
  padding: 1rem 1.25rem;
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
}
.pillar__icon {
  color: var(--clr-accent);
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.pillar strong { display: block; font-size: 0.95rem; margin-bottom: 0.15rem; }
.pillar span { font-size: 0.85rem; color: var(--clr-text-muted); }

/* ══════════════════════════════════════
   SERVICES SECTION
══════════════════════════════════════ */
.services {
  padding: var(--gap-2xl) 0;
  background: var(--clr-bg);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-md);
}

.service-card {
  position: relative;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--gap-lg);
  transition: var(--transition-base);
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  opacity: 0;
  transition: var(--transition-base);
}
.service-card:hover {
  border-color: rgba(0,217,139,0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), var(--shadow-accent);
}
.service-card:hover::before { opacity: 1; }

.service-card--featured {
  border-color: rgba(123,47,255,0.3);
  background: linear-gradient(135deg, var(--clr-surface) 0%, rgba(123,47,255,0.05) 100%);
}
.service-card--star {
  border-color: rgba(0,217,139,0.4);
  background: linear-gradient(135deg, var(--clr-surface) 0%, rgba(0,217,139,0.07) 100%);
}
.service-card--star::before { opacity: 1; }
.service-card__star-tag {
  position: absolute;
  top: 1rem; right: 1rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--clr-accent);
  background: rgba(0,217,139,0.12);
  border: 1px solid rgba(0,217,139,0.3);
  padding: 0.2em 0.7em;
  border-radius: var(--radius-pill);
}

.service-card__icon-wrap {
  width: 56px; height: 56px;
  background: rgba(0,217,139,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--gap-md);
  transition: var(--transition-base);
}
.service-card:hover .service-card__icon-wrap {
  background: rgba(0,217,139,0.2);
  transform: scale(1.05);
}
.service-card__icon {
  font-size: 1.5rem;
  color: var(--clr-accent);
}
.service-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.service-card__desc {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  margin-bottom: var(--gap-md);
  line-height: 1.7;
}
.service-card__features {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: var(--gap-md);
}
.service-card__features li {
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}
.service-card__features i { color: var(--clr-accent); font-size: 0.8em; }
.service-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--clr-accent);
  transition: var(--transition-fast);
}
.service-card__cta:hover { gap: 0.7em; }
.service-card__cta i { font-size: 1.1em; }

/* ══════════════════════════════════════
   CYLINDRICAL SECTION
══════════════════════════════════════ */
.cylindrical {
  position: relative;
  padding: var(--gap-2xl) 0;
  overflow: hidden;
}
.cylindrical-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(0,217,139,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(123,47,255,0.08) 0%, transparent 60%),
    linear-gradient(180deg, var(--clr-bg-alt) 0%, var(--clr-bg) 100%);
}
.cylindrical-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-xl);
  align-items: center;
}
.cylindrical-lead {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--gap-sm);
  line-height: 1.7;
}
.cylindrical-body {
  color: var(--clr-text-muted);
  margin-bottom: var(--gap-lg);
}
.cylindrical-features {
  display: flex;
  flex-direction: column;
  gap: var(--gap-md);
  margin-bottom: var(--gap-lg);
}
.cyl-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--gap-sm);
}
.cyl-feature__icon {
  width: 44px; height: 44px;
  background: rgba(0,217,139,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.cyl-feature strong { display: block; font-size: 0.95rem; margin-bottom: 0.15rem; color: #fff; }
.cyl-feature span { font-size: 0.85rem; color: var(--clr-text-muted); }

/* Visual derecho */
.cyl-showcase {
  position: relative;
}
.cyl-img {
  width: 100%;
  border-radius: var(--radius-xl);
  min-height: 420px;
  object-fit: cover;
  background: var(--clr-surface-2);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
  border: 1px solid rgba(0,217,139,0.15);
}
.cyl-tag-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.5em 1em;
  background: rgba(8,13,26,0.9);
  border: 1px solid rgba(0,217,139,0.3);
  border-radius: var(--radius-pill);
  color: var(--clr-accent);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
}
.cyl-tag-float i { font-size: 0.9em; }
.cyl-tag-float--1 { top: 8%;  right: -10%; }
.cyl-tag-float--2 { top: 42%; right: -12%; }
.cyl-tag-float--3 { top: 72%; right: -8%; }

/* ══════════════════════════════════════
   PROCESS SECTION
══════════════════════════════════════ */
.process {
  padding: var(--gap-2xl) 0;
  background: var(--clr-bg-alt);
}
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}
.process-connector {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-primary));
  margin-top: 60px;
  opacity: 0.4;
  min-width: 20px;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 180px;
  flex-shrink: 0;
}
.process-step__number {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--clr-text-dim);
  margin-bottom: 0.5rem;
}
.process-step__icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--clr-surface), var(--clr-surface-2));
  border: 1.5px solid var(--clr-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--clr-accent);
  margin-bottom: var(--gap-sm);
  transition: var(--transition-base);
}
.process-step:hover .process-step__icon {
  background: rgba(0,217,139,0.12);
  border-color: rgba(0,217,139,0.4);
  transform: scale(1.08);
}
.process-step__title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.process-step__desc {
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* ══════════════════════════════════════
   GALLERY SECTION
══════════════════════════════════════ */
.gallery {
  padding: var(--gap-2xl) 0;
  background: var(--clr-bg);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 12px;
  margin-bottom: var(--gap-xl);
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
  background: var(--clr-surface-2);
}
.gallery-item--wide { grid-column: span 2; }

.gallery-item img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
  /* Placeholder style when no image */
  background: linear-gradient(135deg, var(--clr-surface) 0%, var(--clr-surface-2) 100%);
}
.gallery-item--wide img { height: 300px; }
.gallery-item:hover img { transform: scale(1.06); }

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,217,139,0.85) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
  opacity: 0;
  transition: var(--transition-base);
}
.gallery-item:hover .gallery-item__overlay { opacity: 1; }
.gallery-item__overlay span {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: #060e1d;
}

.gallery-cta { text-align: center; }
.gallery-cta p {
  color: var(--clr-text-muted);
  margin-bottom: var(--gap-md);
  font-size: 1.05rem;
}

/* ══════════════════════════════════════
   DIFFERENTIALS
══════════════════════════════════════ */
.differentials {
  padding: var(--gap-2xl) 0;
  background: var(--clr-bg-alt);
}
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-md);
}
.diff-card {
  padding: var(--gap-lg);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}
.diff-card:hover {
  border-color: rgba(0,217,139,0.3);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.diff-card__icon {
  font-size: 2rem;
  color: var(--clr-accent);
  margin-bottom: var(--gap-sm);
}
.diff-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.diff-card p {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ══════════════════════════════════════
   TESTIMONIALS
══════════════════════════════════════ */
.testimonials {
  padding: var(--gap-2xl) 0;
  background: var(--clr-bg);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-md);
}
.testimonial-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--gap-lg);
  transition: var(--transition-base);
}
.testimonial-card:hover {
  border-color: rgba(0,217,139,0.2);
  box-shadow: var(--shadow-md);
}
.testimonial-stars {
  font-size: 1.2rem;
  color: var(--clr-gold);
  margin-bottom: var(--gap-sm);
  letter-spacing: 0.1em;
}
.testimonial-text {
  font-size: 0.95rem;
  color: var(--clr-text-muted);
  font-style: italic;
  line-height: 1.8;
  margin-bottom: var(--gap-md);
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
}
.testimonial-author__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
}
.testimonial-author strong { display: block; font-size: 0.9rem; }
.testimonial-author span { font-size: 0.78rem; color: var(--clr-text-dim); }

/* ══════════════════════════════════════
   CTA SECTION
══════════════════════════════════════ */
.cta-section {
  position: relative;
  padding: var(--gap-2xl) 0;
  overflow: hidden;
  text-align: center;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 100% at 50% 0%, rgba(37,211,102,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 80% 80% at 30% 100%, rgba(123,47,255,0.1) 0%, transparent 60%),
    var(--clr-bg-alt);
}
.cta-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}
.cta-icon {
  font-size: 4rem;
  color: var(--clr-wa);
  margin-bottom: var(--gap-sm);
  animation: ctaPulse 2.5s ease-in-out infinite;
}
@keyframes ctaPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--gap-sm);
}
.cta-desc {
  color: var(--clr-text-muted);
  margin-bottom: var(--gap-md);
  line-height: 1.7;
}
.cta-info {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--gap-md);
  margin-bottom: var(--gap-lg);
  font-size: 0.9rem;
  color: var(--clr-text-muted);
}
.cta-info i { color: var(--clr-accent); margin-right: 0.3em; }
.cta-note {
  margin-top: var(--gap-sm);
  font-size: 0.83rem;
  color: var(--clr-text-dim);
}

/* ══════════════════════════════════════
   FAQ SECTION
══════════════════════════════════════ */
.faq {
  padding: var(--gap-2xl) 0;
  background: var(--clr-bg);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
}
.faq-item {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq-item[open] {
  border-color: rgba(0,217,139,0.3);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-sm);
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  user-select: none;
  transition: color var(--transition-fast);
}
.faq-question:hover { color: var(--clr-accent); }
.faq-icon { flex-shrink: 0; font-size: 0.85rem; color: var(--clr-text-muted); transition: transform var(--transition-fast); }
details[open] .faq-icon { transform: rotate(45deg); color: var(--clr-accent); }
.faq-answer {
  padding: 0 1.5rem 1.25rem;
  border-top: 1px solid var(--clr-border);
  padding-top: 1rem;
}
.faq-answer p {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.8;
}
.faq-answer strong { color: var(--clr-text); }

/* ══════════════════════════════════════
   BLOG SECTION
══════════════════════════════════════ */
.blog {
  padding: var(--gap-2xl) 0;
  background: var(--clr-bg-alt);
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-md);
}
.blog-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0,217,139,0.2);
}
.blog-card__img-link { display: block; overflow: hidden; }
.blog-card img {
  width: 100%; height: 200px;
  object-fit: cover;
  background: var(--clr-surface-2);
  transition: transform 0.5s ease;
}
.blog-card:hover img { transform: scale(1.04); }
.blog-card__body { padding: var(--gap-md); }
.blog-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 0.6rem;
}
.blog-card__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.6rem;
}
.blog-card__title a { color: var(--clr-text); transition: color var(--transition-fast); }
.blog-card__title a:hover { color: var(--clr-accent); }
.blog-card__excerpt { font-size: 0.83rem; color: var(--clr-text-muted); line-height: 1.6; margin-bottom: 0.8rem; }
.blog-card__link { font-size: 0.83rem; font-weight: 700; color: var(--clr-accent); }

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.site-footer { background: var(--clr-bg); border-top: 1px solid var(--clr-border); }
.footer-top { padding: var(--gap-2xl) 0 var(--gap-xl); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--gap-xl);
}
.footer-tagline { font-size: 0.88rem; color: var(--clr-text-muted); margin: var(--gap-md) 0; line-height: 1.7; }
.footer-social { display: flex; gap: var(--gap-sm); }
.footer-social__link {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 50%;
  font-size: 1rem;
  color: var(--clr-text-muted);
  transition: var(--transition-fast);
}
.footer-social__link:hover {
  background: rgba(0,217,139,0.12);
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  transform: translateY(-2px);
}
.footer-col__title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
  margin-bottom: var(--gap-md);
}
.footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--clr-accent); }
.footer-address p {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin-bottom: 0.7rem;
  display: flex;
  gap: 0.6em;
  align-items: flex-start;
  line-height: 1.5;
}
.footer-address a { color: var(--clr-text-muted); transition: color var(--transition-fast); }
.footer-address a:hover { color: var(--clr-accent); }
.footer-address i { color: var(--clr-accent); font-size: 0.9em; flex-shrink: 0; margin-top: 0.15rem; }

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding: var(--gap-md) 0;
}
.footer-bottom .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--clr-text-dim);
}
.footer-seo { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; }
.footer-seo a { font-size: 0.75rem; color: var(--clr-text-dim); transition: color var(--transition-fast); }
.footer-seo a::before { content: ''; }
.footer-seo a:not(:last-child)::after { content: '·'; margin-left: 0.5rem; }
.footer-seo a:hover { color: var(--clr-accent); }

/* ══════════════════════════════════════
   WHATSAPP FLOAT BUTTON
══════════════════════════════════════ */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px; height: 60px;
  background: var(--clr-wa);
  border-radius: 50%;
  box-shadow: 0 6px 24px rgba(37,211,102,0.5), 0 2px 8px rgba(0,0,0,0.3);
  transition: var(--transition-base);
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 10px 32px rgba(37,211,102,0.6);
}
.whatsapp-float__icon { font-size: 1.8rem; color: #fff; position: relative; z-index: 1; }
.whatsapp-float__tooltip {
  position: absolute;
  right: calc(100% + 12px);
  background: var(--clr-surface);
  color: var(--clr-text);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.4em 0.9em;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  border: 1px solid var(--clr-border);
  pointer-events: none;
  opacity: 0;
  transform: translateX(8px);
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
}
.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
  transform: translateX(0);
}
.whatsapp-float__pulse {
  position: absolute;
  width: 100%; height: 100%;
  border-radius: 50%;
  background: var(--clr-wa);
  animation: waPulse 2.5s ease-out infinite;
  z-index: 0;
}
@keyframes waPulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* ══════════════════════════════════════
   RESPONSIVE: TABLET (≤ 1024px)
══════════════════════════════════════ */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid,
  .cylindrical-grid { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
  .about-img { min-height: 320px; }
  .cylindrical-visual { display: none; }

  .process-steps { flex-wrap: wrap; justify-content: center; gap: var(--gap-md); }
  .process-connector { display: none; }
  .process-step { max-width: 200px; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item--wide { grid-column: span 2; }

  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--gap-lg); }
}

/* ══════════════════════════════════════
   RESPONSIVE: MOBILE (≤ 640px)
══════════════════════════════════════ */
@media (max-width: 640px) {
  :root { --gap-2xl: 4rem; }

  .hero-title { font-size: 2.4rem; }
  .hero-stats { gap: var(--gap-md); }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .services-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item--wide { grid-column: span 1; }
  .gallery-item img { height: 220px; }
  .gallery-item--wide img { height: 240px; }

  .diff-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: var(--gap-lg); }

  .cyl-tag-float { display: none; }
  .about-badge-float { right: 0; bottom: -10px; }

  .whatsapp-float { bottom: 1.25rem; right: 1.25rem; width: 54px; height: 54px; }
}

/* ══════════════════════════════════════
   UTILITY – PLACEHOLDER IMAGES
   (Mostrar estilo para imágenes vacías)
══════════════════════════════════════ */
img[src=""] ,
img:not([src]) {
  background: linear-gradient(135deg, #111827, #1a2235);
  display: block;
}