/* =============================================
   STÖESSEL INGENIERÍA — styles.css
   Dark theme | Red + Gold accents
   ============================================= */

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

:root {
  --bg:        #0d0d0d;
  --surface:   #1a1a1a;
  --surface2:  #222222;
  --red:       #DD0000; /* German-flag red */
  --red-glow:  rgba(221,0,0,0.4);
  --gold:      #FFCC00; /* German-flag gold */
  --gold-glow: rgba(255,204,0,0.35);
  --white:     #FFFFFF;
  --muted:     #888888;
  --border:    rgba(255,255,255,0.08);
  --font-head: 'Bebas Neue', sans-serif;
  --font-body: 'Montserrat', sans-serif;
  --nav-h:     72px;
  --radius:    6px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; overflow-x: hidden; }

/* ---------- ANIMATED BACKGROUND SPARKLES (stage lights) ---------- */
.bg-fx {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background: var(--bg);
}
.bg-fx::before,
.bg-fx::after {
  content: '';
  position: absolute;
  inset: 0;
  background-repeat: repeat;
  will-change: opacity;
}
/* fine pinpoints: gold + white */
.bg-fx::before {
  background-image:
    radial-gradient(1.5px 1.5px at 40px 60px,   rgba(255,204,0,0.9), transparent),
    radial-gradient(1px 1px     at 130px 200px, rgba(255,255,255,0.8), transparent),
    radial-gradient(1.5px 1.5px at 250px 90px,  rgba(255,204,0,0.7), transparent),
    radial-gradient(1px 1px     at 340px 300px, rgba(255,255,255,0.6), transparent),
    radial-gradient(2px 2px     at 460px 170px, rgba(255,204,0,0.8), transparent),
    radial-gradient(1px 1px     at 80px 420px,  rgba(255,255,255,0.7), transparent),
    radial-gradient(1.5px 1.5px at 380px 480px, rgba(255,204,0,0.6), transparent),
    radial-gradient(1px 1px     at 520px 380px, rgba(255,255,255,0.5), transparent);
  background-size: 560px 560px;
  opacity: 0.3;
  animation: sparkleA 7s ease-in-out infinite;
}
/* sparser, slightly larger: red + warm white, offset tile so layers never align */
.bg-fx::after {
  background-image:
    radial-gradient(2px 2px     at 90px 130px,  rgba(221,0,0,0.75), transparent),
    radial-gradient(1.5px 1.5px at 300px 40px,  rgba(255,220,150,0.7), transparent),
    radial-gradient(2px 2px     at 520px 260px, rgba(221,0,0,0.6), transparent),
    radial-gradient(1.5px 1.5px at 180px 360px, rgba(255,220,150,0.6), transparent),
    radial-gradient(2.5px 2.5px at 420px 500px, rgba(255,204,0,0.5), transparent),
    radial-gradient(1.5px 1.5px at 620px 150px, rgba(221,0,0,0.5), transparent);
  background-size: 700px 700px;
  background-position: 170px 90px;
  opacity: 0.25;
  animation: sparkleB 11s ease-in-out infinite;
}
@keyframes sparkleA {
  0%, 100% { opacity: 0.14; }
  50%      { opacity: 0.42; }
}
@keyframes sparkleB {
  0%, 100% { opacity: 0.32; }
  45%      { opacity: 0.1; }
}
@media (prefers-reduced-motion: reduce) {
  .bg-fx::before,
  .bg-fx::after { animation: none; }
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 100px 0; }

/* ---------- SECTION HEADER ---------- */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  letter-spacing: 0.04em;
  line-height: 1.1;
  color: var(--white);
}
.section-desc {
  max-width: 580px;
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- BUTTONS ---------- */
.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--transition);
  box-shadow: 0 0 0 0 var(--red-glow);
}
.btn-primary:hover {
  background: #f01010;
  box-shadow: 0 0 22px 6px var(--red-glow);
  transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0); }

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: #25D366;
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  margin-top: 24px;
  transition: var(--transition);
}
.btn-whatsapp:hover {
  background: #1ebe5d;
  box-shadow: 0 0 18px rgba(37,211,102,0.45);
  transform: translateY(-2px);
}
.btn-whatsapp i { font-size: 1.3rem; }

/* ---------- NAVBAR ---------- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  background: rgba(13,13,13,0.97);
  box-shadow: 0 2px 24px rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 44px;
}
.logo-gear { height: 36px; width: auto; }
.logo-word {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--white);
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--red);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.lang-toggle {
  padding: 6px 14px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 3px;
  transition: var(--transition);
}
.lang-toggle:hover {
  background: var(--gold);
  color: var(--bg);
  box-shadow: 0 0 12px var(--gold-glow);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg); /* opaque: keeps the bg-fx glows from reading behind the video */
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  transition: transform 0.1s linear;
  background: #0d0d0d;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.35) 0%,
    rgba(0,0,0,0.1) 40%,
    rgba(0,0,0,0.15) 75%,
    rgba(13,13,13,1) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
}
.hero-tagline {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  letter-spacing: 0.06em;
  line-height: 1.2;
  color: var(--white);
  text-shadow: 0 2px 18px rgba(0,0,0,0.7);
  margin-bottom: 28px;
}
.hero-cta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-cta .btn-whatsapp { margin-top: 0; }

.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  padding: 12px;
}
.hero-scroll-hint .chevron {
  display: block;
  width: 18px;
  height: 18px;
  border-right: 3px solid var(--white);
  border-bottom: 3px solid var(--white);
  transform: rotate(45deg);
  opacity: 0.85;
  animation: chevronBounce 1.8s ease-in-out infinite;
}
.hero-scroll-hint:hover .chevron { border-color: var(--gold); }
@keyframes chevronBounce {
  0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.85; }
  50%      { transform: rotate(45deg) translate(8px, 8px); opacity: 0.35; }
}

/* ---------- ABOUT ---------- */
/* transparent (body is the same --bg color) so the bg-fx glows read through */
.about { background: transparent; }

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text .section-label { margin-bottom: 12px; }
.about-text .section-title { margin-bottom: 24px; }
.about-text p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.about-media img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}

/* ---------- SERVICES ---------- */
.services { background: var(--surface); }

.service-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}
.service-row:last-child { border-bottom: none; padding-bottom: 0; }

.service-row.reverse .service-media { order: 2; }
.service-row.reverse .service-text  { order: 1; }

.service-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.service-media img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.service-row:hover .service-media img { transform: scale(1.04); }

.service-kicker {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 10px;
}
.service-text h3 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: 0.04em;
  line-height: 1.15;
  margin-bottom: 18px;
  color: var(--white);
}
.service-text p {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 12px;
}
.service-text .service-tagline {
  font-style: italic;
  font-size: 1.08rem;
  font-weight: 500;
  color: var(--gold);
  margin: -10px 0 14px;
  animation: taglineGlow 3s ease-in-out infinite;
}
@keyframes taglineGlow {
  0%, 100% { text-shadow: 0 0 2px rgba(255,204,0,0); opacity: 0.82; }
  50%      { text-shadow: 0 0 16px var(--gold-glow), 0 0 4px rgba(255,204,0,0.5); opacity: 1; }
}

/* ---------- QUALITY ---------- */
.quality {
  background: transparent;
  padding: 100px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.quality-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: center;
}
.quality-media img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.quality-text h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.04em;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 24px;
}
.quality-text p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.quality-closing {
  font-family: var(--font-head);
  font-size: 1.3rem !important;
  letter-spacing: 0.06em;
  color: var(--gold) !important;
  margin-top: 24px;
}
.cred-badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.cred-badges li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--white);
}
.cred-badges li i {
  color: var(--gold);
  font-size: 0.85rem;
}

/* ---------- GALLERY ---------- */
.gallery { background: var(--surface); padding-bottom: 80px; }
.gallery .section-header { padding-top: 100px; }

.gallery-swiper {
  width: 100%;
  padding-bottom: 50px !important;
}

.swiper-slide {
  position: relative;
  height: 520px;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: grab;
}
.swiper-slide:active { cursor: grabbing; }

.slide-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--surface2);
  transition: transform 0.5s ease;
}
.swiper-slide:hover .slide-img { transform: scale(1.04); }

.slide-link {
  display: block;
  position: absolute;
  inset: 0;
  text-decoration: none;
  color: inherit;
}

.slide-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 32px 28px 24px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
  transform: translateY(8px);
  transition: transform var(--transition);
}
.swiper-slide:hover .slide-overlay { transform: translateY(0); }

.slide-ig {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  margin-top: 8px;
  letter-spacing: 0.05em;
  transition: color var(--transition);
}
.swiper-slide:hover .slide-ig { color: var(--white); }

.slide-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}
.slide-title {
  font-family: var(--font-head);
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: var(--white);
}

/* Swiper overrides */
.swiper-button-prev,
.swiper-button-next {
  color: var(--white) !important;
  background: rgba(221,0,0,0.8);
  width: 44px !important; height: 44px !important;
  border-radius: 50%;
  transition: var(--transition);
}
.swiper-button-prev:hover,
.swiper-button-next:hover {
  background: var(--red);
  box-shadow: 0 0 18px var(--red-glow);
}
.swiper-button-prev::after,
.swiper-button-next::after { font-size: 1rem !important; font-weight: 700 !important; }

.swiper-pagination-bullet {
  background: var(--muted) !important;
  opacity: 1 !important;
  transition: var(--transition);
}
.swiper-pagination-bullet-active {
  background: var(--red) !important;
  transform: scale(1.3);
  box-shadow: 0 0 8px var(--red-glow);
}

/* ---------- CONTACT ---------- */
.contact { background: transparent; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}
.contact-item > i {
  font-size: 1.1rem;
  color: var(--red);
  margin-top: 4px;
  width: 20px;
  flex-shrink: 0;
}
.contact-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2px;
}
.contact-value {
  font-size: 0.95rem;
  color: var(--white);
  transition: color var(--transition);
}
a.contact-value:hover { color: var(--gold); }

/* Floating label form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.form-group {
  position: relative;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px 8px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-group textarea { min-height: 120px; }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-glow);
}
.form-group label {
  position: absolute;
  top: 14px; left: 16px;
  font-size: 0.88rem;
  color: var(--muted);
  pointer-events: none;
  transition: var(--transition);
}
.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: 6px;
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.08em;
}
.form-group input,
.form-group textarea { placeholder-color: transparent; }
/* Hide browser default placeholder */
.form-group input::placeholder,
.form-group textarea::placeholder { color: transparent; }

.form-status {
  font-size: 0.85rem;
  color: var(--gold);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 12px 16px;
}
.form-status[hidden] { display: none; }

/* ---------- FOOTER ---------- */
#footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.footer-logo .logo-gear { height: 40px; }
.footer-logo .logo-word { font-size: 1.4rem; }
.footer-tagline {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}
.footer-social {
  display: flex;
  gap: 14px;
}
.footer-social a {
  width: 38px; height: 38px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.95rem;
  transition: var(--transition);
}
.footer-social a:hover {
  border-color: var(--red);
  color: var(--white);
  background: var(--red);
  box-shadow: 0 0 12px var(--red-glow);
}

.footer-nav,
.footer-legal-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav h4,
.footer-legal-col h4 {
  font-family: var(--font-head);
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 6px;
}
.footer-nav a,
.footer-legal-col a {
  font-size: 0.85rem;
  color: var(--muted);
  transition: color var(--transition);
}
.footer-nav a:hover,
.footer-legal-col a:hover { color: var(--white); }

.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
@media (max-width: 600px) {
  .footer-bottom {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Respawn Studio credit ("Code & Craft" wordmark) */
.footer-credit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--muted);
  transition: color var(--transition);
}
.footer-credit:hover { color: var(--white); }
.rpwn-logo {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: -0.02em;
  color: #F0F0F0;
}
.rpwn-gt {
  color: #00E5CC;
  font-weight: 400;
  opacity: 0.6;
  font-size: 0.7em;
}
.rpwn-studio {
  color: #00E5CC;
  font-size: 0.55em;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-left: 1px;
}
.rpwn-cursor {
  display: inline-block;
  width: 2px;
  height: 0.85em;
  background: #00E5CC;
  margin-left: 2px;
  animation: rpwnBlink 1s step-end infinite;
}
@keyframes rpwnBlink { 50% { opacity: 0; } }

/* ---------- PRIVACY MODAL ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}
.modal.open {
  opacity: 1;
  pointer-events: all;
}
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.modal-backdrop.open {
  opacity: 1;
  pointer-events: all;
}
.modal-content {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 48px 40px;
  max-width: 540px;
  width: 90%;
}
.modal-content h2 {
  font-family: var(--font-head);
  font-size: 1.8rem;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
  color: var(--white);
}
.modal-content p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.8;
}
.modal-close {
  position: absolute;
  top: 16px; right: 20px;
  font-size: 1.6rem;
  color: var(--muted);
  line-height: 1;
  transition: color var(--transition);
}
.modal-close:hover { color: var(--white); }

/* ---------- FLOATING WHATSAPP ---------- */
.fab-whatsapp {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 900;
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: var(--transition);
  animation: fabPulse 2.5s ease-in-out infinite;
}
.fab-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.6);
  animation: none;
}
@keyframes fabPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
  50%       { box-shadow: 0 4px 32px rgba(37,211,102,0.7); }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid  { grid-template-columns: 1fr 1fr; }
  .about-grid   { grid-template-columns: 1fr; gap: 40px; }
  .quality-grid { grid-template-columns: 1fr; gap: 40px; }
  .service-row  { grid-template-columns: 1fr; gap: 28px; }
  .service-row.reverse .service-media { order: 0; }
  .service-row.reverse .service-text  { order: 0; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(13,13,13,0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 20px 24px 28px;
    gap: 18px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1rem; }

  .service-media img { height: 280px; }
  .swiper-slide { height: 360px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .section { padding: 72px 0; }
}

@media (max-width: 480px) {
  .hero-logo-img { height: 70px; }
  .swiper-slide { height: 280px; }
  .swiper-button-prev, .swiper-button-next { display: none !important; }
  .modal-content { padding: 32px 24px; }
  .hero-cta { flex-direction: column; }
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-scroll-hint .chevron { animation: none; }
  .fab-whatsapp { animation: none; }
  .service-text .service-tagline { animation: none; opacity: 1; }
  .rpwn-cursor { animation: none; }
  [data-aos] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}