:root {
  --black: #0a0a0a;
  --black-2: #111111;
  --black-3: #1a1a1a;
  --red: #e63222;
  --red-light: #ff4136;
  --red-dark: #b8271a;
  --neon-red: #ff1a1a;
  --blue: #1a5fb4;
  --blue-light: #3584e4;
  --white: #ffffff;
  --white-2: #f0f0f0;
  --white-3: #cccccc;
  --muted: #999999;
  --line: rgba(230, 50, 34, 0.2);
  --line-subtle: rgba(255, 255, 255, 0.08);
  --font-display: "Cinzel", serif;
  --font-body: "Inter", sans-serif;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.6);
  --glow-red: 0 0 30px rgba(255, 26, 26, 0.3);
  --glow-blue: 0 0 20px rgba(53, 132, 228, 0.2);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--white);
  background: var(--black);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }

/* ── Preloader ── */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  background: var(--black);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
#preloader.hide { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-card {
  display: grid;
  gap: 20px;
  justify-items: center;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
  animation: loaderFadeIn 0.6s ease;
}
@keyframes loaderFadeIn { from { opacity: 0; transform: scale(0.9); } }
.loader-card img {
  width: min(200px, 50vw);
  border: 2px solid var(--red);
  border-radius: 50%;
  box-shadow: 0 0 60px rgba(255, 26, 26, 0.4), 0 0 120px rgba(255, 26, 26, 0.15);
  animation: loaderPulse 2s ease-in-out infinite;
}
@keyframes loaderPulse {
  0%, 100% { box-shadow: 0 0 60px rgba(255, 26, 26, 0.4), 0 0 120px rgba(255, 26, 26, 0.15); }
  50% { box-shadow: 0 0 80px rgba(255, 26, 26, 0.6), 0 0 160px rgba(255, 26, 26, 0.25); }
}
.loader-line {
  width: 200px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--red), var(--red-light), var(--red), transparent);
  animation: loadSlide 1.4s ease-in-out infinite;
  border-radius: 2px;
}
@keyframes loadSlide {
  0% { transform: scaleX(0.3); opacity: 0.5; }
  50% { transform: scaleX(1); opacity: 1; }
  100% { transform: scaleX(0.3); opacity: 0.5; }
}

/* ── Top strip ── */
.top-strip {
  min-height: 42px;
  padding: 9px 5vw;
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  color: var(--muted);
  background: var(--black-2);
  border-bottom: 1px solid var(--line-subtle);
  font-size: 13px;
}
.top-strip i { color: var(--red); margin-right: 7px; }
.top-strip a:hover { color: var(--red-light); }

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  min-height: 82px;
  padding: 12px 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-subtle);
}
.brand img { width: 60px; height: 60px; object-fit: contain; border-radius: 50%; }
.nav { display: flex; align-items: center; gap: 24px; }
.nav a {
  color: var(--white-3);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav a:hover, .nav a.active { color: var(--red-light); }
.language-switch { display: flex; border: 1px solid var(--line); }
.lang-btn {
  border: 0;
  color: var(--white-3);
  background: transparent;
  padding: 8px 10px;
  cursor: pointer;
  font-weight: 800;
}
.lang-btn.active { background: var(--red); color: var(--white); }
.header-cta, .red-btn, .ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 2px;
  min-height: 48px;
  padding: 0 22px;
  font-weight: 800;
  letter-spacing: 0.03em;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}
.red-btn, .header-cta {
  border: 1px solid var(--red);
  background: linear-gradient(135deg, var(--red-dark), var(--red), var(--red-light));
  color: var(--white);
  box-shadow: var(--glow-red);
  position: relative;
  overflow: hidden;
}
.red-btn:hover, .header-cta:hover { box-shadow: 0 0 50px rgba(255, 26, 26, 0.5); transform: translateY(-2px); }

/* Header CTA animated pulse */
.header-cta {
  animation: ctaPulse 2.5s ease-in-out infinite;
}
.header-cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  animation: ctaShine 3s ease-in-out infinite;
}
@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(255, 26, 26, 0.3); }
  50% { box-shadow: 0 0 40px rgba(255, 26, 26, 0.6), 0 0 80px rgba(255, 26, 26, 0.2); }
}
@keyframes ctaShine {
  0% { transform: translateX(-100%); }
  30%, 100% { transform: translateX(100%); }
}
.ghost-btn {
  border: 1px solid var(--line);
  color: var(--white);
  background: rgba(230, 50, 34, 0.08);
}
.ghost-btn:hover { border-color: var(--red); color: var(--red-light); transform: translateY(-2px); }
.menu-toggle, .close-menu { display: none; }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: calc(100vh - 124px);
  isolation: isolate;
  display: grid;
  align-items: center;
  background: var(--black);
}
.hero-bg, .hero-overlay { position: absolute; inset: 0; z-index: -2; }
.hero-bg {
  background-image: url("images/banner.png");
  background-size: cover;
  background-position: center;
  filter: saturate(0.7) brightness(0.65);
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.05); } }
.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(10, 10, 10, 0.6) 0%, rgba(10, 10, 10, 0.4) 40%, rgba(10, 10, 10, 0.15) 100%),
    linear-gradient(0deg, rgba(10, 10, 10, 0.5) 0%, transparent 40%);
}
.hero-badges {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 14px 20px;
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(230, 50, 34, 0.2);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #ccc;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.hero-badge strong {
  color: var(--red-light);
  font-size: 16px;
}
.hero-inner {
  width: min(1000px, 90vw);
  margin: 0;
  margin-left: 5vw;
  padding: 72px 0;
}
.eyebrow {
  color: var(--red-light);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.centered { text-align: center; }
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 92px);
  line-height: 0.96;
  text-transform: uppercase;
  max-width: 850px;
}
.hero h1 span { display: block; }
.red-accent {
  color: var(--red-light);
  text-shadow: 0 0 40px rgba(255, 26, 26, 0.4);
  animation: redGlow 3s ease-in-out infinite alternate;
}
@keyframes redGlow {
  0% { text-shadow: 0 0 20px rgba(255, 26, 26, 0.3); }
  100% { text-shadow: 0 0 50px rgba(255, 26, 26, 0.6), 0 0 80px rgba(255, 26, 26, 0.2); }
}
.hero-text {
  margin: 24px 0 30px;
  max-width: 660px;
  color: var(--white-3);
  font-size: clamp(17px, 2vw, 21px);
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-card {
  border: 1px solid var(--line);
  background: var(--black-2);
  box-shadow: var(--shadow);
  padding: 24px;
  border-radius: 4px;
  transition: border-color 0.4s, box-shadow 0.4s;
}
.hero-card:hover {
  border-color: var(--red);
  box-shadow: 0 0 30px rgba(230,50,34,0.15);
}
.hero-card img { width: 80px; height: 80px; border: 0; margin: 0 auto 18px; border-radius: 50%; background: var(--black-3); object-fit: contain; }
.hero-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line-subtle); }
.hero-card-grid div { padding: 14px 10px; text-align: center; border-right: 1px solid var(--line-subtle); }
.hero-card-grid div:last-child { border-right: 0; }
.hero-card-grid strong { display: block; color: var(--red-light); font-size: 18px; }
.hero-card-grid span { color: var(--muted); font-size: 11px; text-transform: uppercase; }

/* ── Trust band ── */
.trust-band {
  width: min(1180px, 90vw);
  margin: -42px auto 0;
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--black-2);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.trust-band div {
  padding: 24px;
  border-right: 1px solid var(--line-subtle);
  transition: background 0.3s, transform 0.3s;
}
.trust-band div:hover {
  background: rgba(230,50,34,0.06);
  transform: translateY(-2px);
}
.trust-band div:last-child { border-right: 0; }
.trust-band i { color: var(--red); font-size: 22px; margin-bottom: 12px; }
.trust-band strong { display: block; font-size: 15px; margin-bottom: 4px; }
.trust-band span { color: var(--muted); font-size: 13px; }

/* ── Stats Bar (compact) ── */
.stats-bar {
  width: min(1180px, 90vw);
  margin: 0 auto;
  padding: 18px 32px;
  background: var(--black-2);
  border: 1px solid var(--line-subtle);
  position: relative;
  z-index: 3;
}
.stats-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}
.stat-mini {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--white-3);
}
.stat-mini i { color: var(--red); font-size: 14px; transition: text-shadow 0.3s; }
.stat-mini:hover i { text-shadow: 0 0 12px rgba(230,50,34,0.6); }
.stat-mini strong { color: var(--white); font-size: 15px; font-weight: 800; }
.stat-mini span { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
.stat-sep {
  width: 1px;
  height: 20px;
  background: var(--line-subtle);
}

/* ── AI Chat ── */
.ai-chat-section {
  width: min(1180px, 90vw);
  margin: 0 auto;
  padding: 40px 0;
}
.ai-chat-container {
  width: 100%;
}
.ai-chat-window {
  background: var(--black-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 0 0 1px rgba(230,50,34,0.1), 0 20px 60px rgba(0,0,0,0.4);
  animation: chatWindowGlow 4s ease-in-out infinite alternate;
}
@keyframes chatWindowGlow {
  0% { box-shadow: 0 0 0 1px rgba(230,50,34,0.1), 0 20px 60px rgba(0,0,0,0.4); }
  100% { box-shadow: 0 0 0 1px rgba(230,50,34,0.3), 0 20px 60px rgba(0,0,0,0.4), 0 0 40px rgba(230,50,34,0.08); }
}
.ai-chat-window::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(230,50,34,0.03), transparent);
  animation: chatShine 6s ease-in-out infinite;
  pointer-events: none;
  z-index: 1;
}
@keyframes chatShine {
  0%, 100% { left: -100%; }
  50% { left: 150%; }
}
.ai-chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--black-3) 0%, rgba(230,50,34,0.08) 100%);
  border-bottom: 1px solid var(--line-subtle);
  position: relative;
  overflow: hidden;
}
.ai-chat-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--red), var(--blue), var(--red));
  background-size: 200% 100%;
  animation: headerBorder 3s linear infinite;
}
@keyframes headerBorder {
  0% { background-position: 0% 0%; }
  100% { background-position: 200% 0%; }
}
.ai-avatar {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--red), var(--red-light));
  border-radius: 50%;
  font-size: 18px;
  color: var(--white);
  position: relative;
  animation: avatarPulse 3s ease-in-out infinite;
}
@keyframes avatarPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(230,50,34,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(230,50,34,0); }
}
.ai-avatar::after {
  content: '';
  position: absolute;
  bottom: 1px;
  right: 1px;
  width: 10px;
  height: 10px;
  background: #25d366;
  border-radius: 50%;
  border: 2px solid var(--black-3);
  animation: onlinePulse 2s ease-in-out infinite;
}
@keyframes onlinePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}
.ai-chat-header strong { display: block; font-size: 14px; color: var(--white); }
.ai-status {
  font-size: 11px;
  color: var(--muted);
  font-weight: 400;
  display: flex;
  align-items: center;
  gap: 5px;
}
.ai-status i { color: #25d366; font-size: 7px; }
.ai-chat-messages {
  padding: 20px;
  max-height: 400px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: linear-gradient(180deg, var(--black-2) 0%, rgba(10,10,10,0.5) 100%);
}
.ai-msg {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  animation: msgSlideIn 0.3s ease-out;
}
@keyframes msgSlideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.ai-msg.user { flex-direction: row-reverse; }
.ai-msg-avatar {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 12px;
  flex-shrink: 0;
}
.ai-msg.bot .ai-msg-avatar { background: var(--red); color: var(--white); }
.ai-msg.user .ai-msg-avatar { background: var(--blue); color: var(--white); }
.ai-msg-bubble {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}
.ai-msg.bot .ai-msg-bubble { background: var(--black-3); color: var(--white-3); border-bottom-left-radius: 2px; }
.ai-msg.user .ai-msg-bubble { background: var(--blue); color: var(--white); border-bottom-right-radius: 2px; }
.ai-msg-time { display: block; font-size: 10px; color: var(--muted); margin-top: 6px; }
.ai-msg.user .ai-msg-time { color: rgba(255,255,255,0.5); }
.ai-typing {
  display: flex;
  gap: 4px;
  padding: 4px 0;
}
.ai-typing span {
  width: 6px;
  height: 6px;
  background: var(--muted);
  border-radius: 50%;
  animation: typingDot 1.2s ease-in-out infinite;
}
.ai-typing span:nth-child(2) { animation-delay: 0.15s; }
.ai-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}
.ai-quick-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 0 4px 40px;
  animation: quickBtnsFade 0.5s ease-out 0.3s both;
}
@keyframes quickBtnsFade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.ai-quick-btn {
  padding: 6px 14px;
  border: 1px solid var(--line);
  background: var(--black-3);
  color: var(--red-light);
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.ai-quick-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(230,50,34,0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
}
.ai-quick-btn:hover::before { width: 200px; height: 200px; }
.ai-quick-btn:hover { background: rgba(230,50,34,0.15); border-color: var(--red); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(230,50,34,0.2); }
.ai-chat-input {
  display: flex;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--line-subtle);
  background: var(--black-3);
}
.ai-chat-input input {
  flex: 1;
  border: 1px solid var(--line-subtle);
  background: var(--black-2);
  color: var(--white);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.ai-chat-input input:focus { border-color: var(--red); box-shadow: 0 0 0 2px rgba(230,50,34,0.15); }
.ai-chat-input button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 0;
  background: var(--red);
  color: var(--white);
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s;
}
.ai-chat-input button:hover { background: var(--red-light); }

/* ── Badges ── */
.badges-section {
  width: min(1180px, 90vw);
  margin: 0 auto;
  padding: 40px 0;
}
.badges-grid {
  display: flex;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 14px;
}
.badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: var(--black-2);
  font-size: 12px;
  font-weight: 700;
  color: var(--white-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: border-color 0.3s, background 0.3s;
  white-space: nowrap;
}
.badge-item:hover { border-color: var(--red); background: rgba(230,50,34,0.1); }
.badge-item i { color: var(--red); font-size: 16px; }

/* ── Filtration System ── */
.filtration-section {
  width: min(1180px, 90vw);
  margin: 0 auto;
  padding: 40px 0;
}
.filtration-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 40px;
  align-items: start;
  padding: 40px;
  background: var(--black-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  transition: border-color 0.4s, box-shadow 0.4s;
}
.filtration-inner:hover {
  border-left-color: var(--blue-light);
  box-shadow: 0 0 30px rgba(26,95,180,0.15);
}
.filtration-icon {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  border-radius: 12px;
  font-size: 28px;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(26,95,180,0.3);
}
.filtration-copy .eyebrow { color: var(--blue-light); }
.filtration-copy h3 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  color: var(--white);
  margin-bottom: 12px;
}
.filtration-copy > p { color: var(--muted); font-size: 15px; margin-bottom: 24px; line-height: 1.6; }
.filtration-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.filter-step {
  text-align: center;
  padding: 16px 8px;
  background: var(--black-3);
  border: 1px solid var(--line-subtle);
}
.filter-step span:first-child {
  display: inline-block;
  width: 28px;
  height: 28px;
  line-height: 28px;
  background: var(--blue);
  color: var(--white);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 8px;
}
.filter-step strong { display: block; font-size: 13px; color: var(--white); margin-bottom: 4px; }
.filter-step span:last-child { font-size: 11px; color: var(--muted); }

/* ── Sections ── */
.section {
  width: min(1180px, 90vw);
  margin: 0 auto;
  padding: 40px 0;
}
.section-title {
  max-width: 850px;
  margin: 0 auto 42px;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.05;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 16px auto 0;
  border-radius: 2px;
  animation: titleLine 0.6s ease-out forwards;
}
@keyframes titleLine {
  from { width: 0; opacity: 0; }
  to { width: 60px; opacity: 1; }
}
.split {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 70px;
  align-items: center;
}
.split h2, .calculator-copy h2, .service-area h2, .cta-section h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.08;
  margin-bottom: 20px;
}
.split p, .calculator-copy p, .service-area p, .contact-heading p {
  color: var(--white-3);
  font-size: 17px;
}
.mini-list { display: grid; gap: 12px; margin-top: 26px; }
.mini-list span { color: var(--white); font-weight: 700; }
.mini-list i { color: var(--red); margin-right: 10px; }
.image-stack { position: relative; }
.image-stack .placeholder-img {
  aspect-ratio: 4 / 5;
  width: 100%;
  background: linear-gradient(135deg, var(--red-dark) 0%, var(--red) 50%, var(--red-dark) 100%);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  color: rgba(255,255,255,0.15);
}
.stack-card {
  position: absolute;
  left: -28px;
  bottom: 28px;
  max-width: 270px;
  padding: 18px;
  background: rgba(10, 10, 10, 0.95);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.stack-card strong { display: block; color: var(--red-light); }
.stack-card span { color: var(--muted); font-size: 13px; }

/* ── Services ── */
.services-section { background: var(--black); }
.services-section .eyebrow { margin-bottom: 8px; }
.services-section .section-title { margin-bottom: 56px; font-size: clamp(28px, 3.5vw, 48px); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--black-2);
  border: 1px solid var(--line-subtle);
  padding: 0;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.service-card:hover { border-color: var(--red); box-shadow: var(--glow-red); transform: translateY(-4px); }
.service-card .service-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 50px;
  color: rgba(255,255,255,0.12);
  background: linear-gradient(135deg, var(--black-3) 0%, rgba(230,50,34,0.15) 100%);
  border-bottom: 2px solid var(--red);
}
.service-card .service-content { padding: 24px; }
.service-card .service-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--red), var(--red-light));
  margin-bottom: 18px;
  font-size: 22px;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(255,26,26,0.3);
}
.service-card h3 { font-size: 20px; margin-bottom: 10px; font-family: var(--font-display); }
.service-card p { color: var(--muted); font-size: 14px; line-height: 1.5; }

/* Premium service card */
.service-card-premium {
  position: relative;
  border: 1px solid var(--blue) !important;
}
.service-card-premium:hover { box-shadow: 0 0 40px rgba(53,132,228,0.3) !important; }
.service-premium-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: var(--white);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  border-radius: 2px;
  z-index: 2;
}
.service-icon-premium {
  background: linear-gradient(135deg, var(--blue), var(--blue-light)) !important;
  box-shadow: 0 4px 20px rgba(53,132,228,0.3) !important;
}

/* ── Calculator ── */
.calculator-section {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 58px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(230, 50, 34, 0.06), rgba(10, 10, 10, 0.95)),
    var(--black-2);
}
.project-card { display: grid; gap: 16px; }
label span { display: block; color: var(--red-light); font-size: 12px; font-weight: 900; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 8px; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line-subtle);
  background: var(--black-3);
  color: var(--white);
  min-height: 48px;
  padding: 12px 14px;
  outline: none;
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: var(--red); }
select option { background: var(--black-2); color: var(--white); }

/* ── Work grid ── */
.work-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
  grid-auto-rows: 230px;
  gap: 14px;
}
.work-grid .work-item {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: rgba(255,255,255,0.08);
  border: 1px solid var(--line-subtle);
  background: linear-gradient(135deg, var(--black-3), rgba(230,50,34,0.1));
  transition: border-color 0.3s;
}
.work-grid .work-item:hover { border-color: var(--red); }
.work-grid .work-item:first-child { grid-row: span 2; }

/* ── Calculator ── */
.calc-subtitle {
  text-align: center;
  color: var(--muted);
  font-size: 16px;
  max-width: 600px;
  margin: -20px auto 32px;
}
.calc-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.calc-card {
  background: var(--black-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.calc-form {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.calc-field label {
  display: block;
  color: var(--red-light);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.calc-field select,
.calc-field input {
  width: 100%;
  border: 1px solid var(--line-subtle);
  background: var(--black-3);
  color: var(--white);
  min-height: 48px;
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.3s;
}
.calc-field select:focus,
.calc-field input:focus {
  border-color: var(--red);
}
.calc-field select option {
  background: var(--black-2);
  color: var(--white);
}
.calc-dims {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.calc-btn {
  width: 100%;
  margin-top: 4px;
  padding: 14px;
  font-size: 15px;
}
.calc-result {
  background: linear-gradient(135deg, rgba(230,50,34,0.08), var(--black-2));
  border-top: 1px solid var(--line-subtle);
  padding: 32px;
  text-align: center;
  animation: resultFade 0.4s ease-out;
}
@keyframes resultFade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.calc-result-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--red), var(--red-light));
  border-radius: 50%;
  font-size: 22px;
  color: var(--white);
  animation: resultPulse 2s ease-in-out infinite;
}
@keyframes resultPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(230,50,34,0.3); }
  50% { box-shadow: 0 0 0 10px rgba(230,50,34,0); }
}
.calc-result-label {
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.calc-result-price {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 6px;
  text-shadow: 0 0 30px rgba(230,50,34,0.3);
}
.calc-result-sqft {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 12px;
}
.calc-result-note {
  color: var(--muted);
  font-size: 12px;
  font-style: italic;
  margin-bottom: 20px;
  line-height: 1.5;
}
.calc-whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding: 12px 24px;
  font-size: 14px;
  background: #25d366;
}
.calc-whatsapp-btn:hover { background: #20bd5a; }
.calc-restart {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 13px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--white-3);
  cursor: pointer;
  border-radius: 6px;
  transition: border-color 0.3s, color 0.3s;
}
.calc-restart:hover { border-color: var(--red); color: var(--red-light); }
.calc-info {
  padding: 8px 0;
}
.calc-info h3 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--white);
  margin-bottom: 20px;
}
.calc-info-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  list-style: none;
  margin-bottom: 22px;
}
.calc-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--white-3);
  line-height: 1.5;
}
.calc-info-list i {
  color: var(--red);
  font-size: 17px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.calc-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  background: var(--black-2);
  border: 1px solid var(--line-subtle);
  border-radius: 8px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}
.calc-disclaimer i {
  color: var(--blue);
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── Quote Modal ── */
.quote-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: modalFadeIn 0.3s ease;
}
.quote-modal-overlay.active { display: flex; }
@keyframes modalFadeIn { from { opacity: 0; } to { opacity: 1; } }

.quote-modal {
  background: var(--black-2);
  border: 1px solid var(--line-subtle);
  border-radius: 14px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px 28px 20px;
  position: relative;
  animation: modalSlideUp 0.35s ease;
}
@keyframes modalSlideUp { from { transform: translateY(30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.quote-modal::-webkit-scrollbar { width: 6px; }
.quote-modal::-webkit-scrollbar-track { background: transparent; }
.quote-modal::-webkit-scrollbar-thumb { background: rgba(230,50,34,0.3); border-radius: 3px; }

.quote-modal-close {
  position: absolute;
  top: 10px;
  right: 14px;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 24px;
  cursor: pointer;
  transition: color 0.2s;
  line-height: 1;
}
.quote-modal-close:hover { color: var(--red-light); }

.quote-modal-header {
  text-align: center;
  margin-bottom: 16px;
}
.quote-modal-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--red), var(--neon-red));
  color: #fff;
  font-size: 15px;
  margin-bottom: 8px;
  box-shadow: 0 0 20px rgba(230, 50, 34, 0.3);
}
.quote-modal-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--red-light);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.quote-modal-header h2 {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}
.quote-modal-header p {
  font-size: 13px;
  color: var(--muted);
}

.quote-modal-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.qf-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.qf-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.qf-field span {
  font-size: 12px;
  font-weight: 600;
  color: #ccc;
}
.qf-label-row {
  display: block;
  margin-bottom: 2px;
}
.qf-label-row .qf-required {
  display: inline;
  margin-right: 2px;
}
.qf-label-row [data-i18n] {
  display: inline;
}
.qf-required { color: var(--red-light); font-weight: 700; }
.qf-field input,
.qf-field select,
.qf-field textarea {
  background: var(--black);
  border: 1px solid var(--line-subtle);
  border-radius: 6px;
  padding: 9px 12px;
  font-size: 13px;
  color: #fff;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.qf-field input:focus,
.qf-field select:focus,
.qf-field textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(230, 50, 34, 0.15);
}
.qf-field input::placeholder,
.qf-field textarea::placeholder { color: #555; }
.qf-field select { cursor: pointer; }
.qf-field textarea { resize: vertical; }

.qf-checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 2px;
}
.qf-check {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  background: var(--black);
  border: 1px solid var(--line-subtle);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.qf-check:hover { border-color: rgba(230, 50, 34, 0.4); background: rgba(230, 50, 34, 0.05); }
.qf-check input[type="checkbox"] {
  accent-color: var(--red);
  width: 14px;
  height: 14px;
  cursor: pointer;
}
.qf-check span { font-size: 12px; color: #ccc; font-weight: 500; }

.qf-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--red), var(--neon-red));
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  margin-top: 4px;
}
.qf-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(230, 50, 34, 0.4);
}
.qf-submit:active { transform: translateY(0); }

/* ── Process ── */
.process-grid { grid-template-columns: repeat(4, 1fr); }
.process-step {
  background: var(--black-2);
  border: 1px solid var(--line-subtle);
  padding: 26px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.process-step:hover {
  border-color: var(--red);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(230,50,34,0.12);
}
.process-step span {
  display: inline-block;
  color: var(--red-light);
  font-family: var(--font-display);
  font-size: 34px;
  margin-bottom: 18px;
}
.process-step h3 { font-size: 18px; margin-bottom: 8px; }
.process-step p { color: var(--muted); font-size: 14px; }

/* ── CTA ── */
.cta-section {
  width: min(1180px, 90vw);
  margin: 0 auto;
  padding: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(230,50,34,0.15), var(--black-2));
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 0;
  background: linear-gradient(90deg, transparent, rgba(230,50,34,0.4), transparent);
  animation: ctaBorderGlow 4s linear infinite;
  z-index: -1;
  opacity: 0.5;
}
@keyframes ctaBorderGlow {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.cta-section h2 { max-width: 720px; margin-bottom: 0; }

/* ── Reviews ── */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.review-card { background: var(--black-2); border: 1px solid var(--line-subtle); padding: 26px; transition: border-color 0.3s, box-shadow 0.3s; }
.review-card:hover { border-color: var(--red); box-shadow: var(--glow-red); }
.stars { color: var(--red); letter-spacing: 0.08em; margin-bottom: 18px; }
.review-card p { color: var(--white-3); font-size: 15px; line-height: 1.5; }
.review-card strong { display: block; margin-top: 20px; color: var(--red-light); }

/* ── Service area ── */
.service-area {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  border-top: 1px solid var(--line-subtle);
  border-bottom: 1px solid var(--line-subtle);
}
.area-tags { display: flex; gap: 12px; flex-wrap: wrap; }
.area-tags span {
  border: 1px solid var(--line);
  padding: 12px 16px;
  color: var(--red-light);
  background: rgba(230, 50, 34, 0.08);
  transition: background 0.3s, border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.area-tags span:hover { background: rgba(230, 50, 34, 0.2); border-color: var(--red); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(230,50,34,0.15); }

/* ── Contact ── */
.contact-heading { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contact-form {
  display: grid;
  gap: 16px;
  background: var(--black-2);
  border: 1px solid var(--line-subtle);
  padding: 32px;
}
.contact-info { display: grid; align-content: start; gap: 14px; }
.contact-info .info-logo {
  width: 80px;
  height: 80px;
  border: 2px solid var(--line);
  border-radius: 50%;
  margin-bottom: 4px;
  object-fit: contain;
  background: var(--black-3);
}
.contact-info a {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line-subtle);
  background: var(--black-2);
  transition: border-color 0.3s;
}
.contact-info a:hover { border-color: var(--red); }
.contact-info i { color: var(--red); font-size: 18px; width: 24px; text-align: center; }
.contact-info strong { display: block; color: var(--white); font-size: 14px; }
.contact-info span, .contact-info p { color: var(--muted); font-size: 13px; }

/* ── Map ── */
.tampa-map-section { padding-top: 40px; }
.map-copy {
  max-width: 760px;
  margin: 0 auto 28px;
  text-align: center;
}
.map-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.08;
  margin-bottom: 14px;
}
.map-copy p { color: var(--muted); font-size: 17px; }
.map-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--black-2);
  box-shadow: var(--shadow);
}
.map-frame iframe {
  display: block;
  width: 100%;
  height: min(58vh, 470px);
  min-height: 340px;
  border: 0;
  filter: grayscale(0.5) invert(0.88) contrast(1.08) brightness(0.6);
}
.map-localities {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.map-localities span {
  border: 1px solid var(--line);
  background: var(--black-3);
  color: var(--red-light);
  padding: 10px 13px;
  font-size: 13px;
  font-weight: 800;
}

/* ── WhatsApp Float ── */
.float-buttons {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: center;
}
.mail-float {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-size: 22px;
  box-shadow: 0 8px 24px rgba(26,95,180,0.4);
  transition: transform 0.3s, box-shadow 0.3s;
  text-decoration: none;
  position: relative;
  z-index: 82;
}
.mail-float:hover { transform: scale(1.1); box-shadow: 0 0 40px rgba(26,95,180,0.5); }
.mail-float .mail-tooltip {
  position: absolute;
  right: 58px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--white);
  color: #333;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.mail-float .mail-tooltip::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--white);
}
.mail-float:hover .mail-tooltip { opacity: 1; }
.whatsapp-float {
  z-index: 79;
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #25d366;
  font-size: 30px;
  box-shadow: 0 14px 40px rgba(37, 211, 102, 0.4);
  transition: transform 0.3s, box-shadow 0.3s;
  animation: whatsappBounce 2s ease-in-out infinite;
}
.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.4);
  animation: whatsappRing 2s ease-in-out infinite;
}
@keyframes whatsappBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes whatsappRing {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 0; }
}
.whatsapp-float:hover { transform: scale(1.12) !important; box-shadow: 0 0 50px rgba(37, 211, 102, 0.6); }
.whatsapp-float .wa-tooltip {
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--white);
  color: #333;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.whatsapp-float .wa-tooltip::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--white);
}
.whatsapp-float:hover .wa-tooltip { opacity: 1; }

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--line-subtle);
  background: var(--black-2);
  padding: 34px 5vw;
}
.footer-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}
.footer-links { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; }
.footer-links a { color: var(--red-light); font-weight: 800; }

/* ── Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.active { opacity: 1; transform: none; }

/* ── Card Reveal Stagger ── */
.card-reveal {
  opacity: 0;
  transform: translateY(28px) scale(0.97);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.card-reveal.card-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ── Service Card Hover Glow ── */
.service-card {
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(230,50,34,0.06) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.service-card:hover::after { opacity: 1; }

/* ── Button Shine Effect ── */
.red-btn, .ghost-btn, .header-cta {
  position: relative;
  overflow: hidden;
}
.red-btn::before, .ghost-btn::before, .header-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s;
}
.red-btn:hover::before, .ghost-btn:hover::before, .header-cta:hover::before {
  left: 100%;
}

/* ── Badge Hover Lift ── */
.badge-item {
  transition: transform 0.3s, border-color 0.3s, background 0.3s, box-shadow 0.3s;
}
.badge-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(230,50,34,0.15);
}

/* ── Review Card Shine ── */
.review-card {
  position: relative;
  overflow: hidden;
}
.review-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.03), transparent);
  transition: left 0.6s;
  pointer-events: none;
}
.review-card:hover::before { left: 120%; }

/* ── Filter Step Pulse ── */
.filter-step span:first-child {
  transition: transform 0.3s, box-shadow 0.3s;
}
.filter-step:hover span:first-child {
  transform: scale(1.15);
  box-shadow: 0 0 14px rgba(26,95,180,0.5);
}

/* ── Hero Gradient Shimmer ── */
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero-card {
  background-size: 200% 200%;
  animation: gradientShift 6s ease infinite;
}

/* ── Smooth Section Anchor Scroll ── */
html { scroll-behavior: smooth; }

/* ── Responsive ── */
@media (max-width: 980px) {
  .header-cta { display: none; }
  .menu-toggle {
    display: grid;
    gap: 5px;
    width: 44px;
    height: 44px;
    place-content: center;
    border: 1px solid var(--line);
    background: transparent;
  }
  .menu-toggle span { display: block; width: 22px; height: 2px; background: var(--red); }
  .close-menu {
    display: grid;
    place-items: center;
    align-self: flex-end;
    width: 44px;
    height: 44px;
    color: var(--red);
    border: 1px solid var(--line);
    background: transparent;
    font-size: 20px;
  }
  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(360px, 88vw);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    background: var(--black);
    border-left: 1px solid var(--line);
  }
  .nav.active { transform: none; }
  .nav a { padding: 14px 0; font-size: 15px; }
  .language-switch { width: fit-content; }
  .hero-inner { grid-template-columns: 1fr; gap: 34px; }
  .hero-card { max-width: 400px; }
  .trust-band { grid-template-columns: repeat(2, 1fr); }
  .badges-grid { flex-wrap: wrap; justify-content: center; }
  .badge-item { padding: 10px 14px; font-size: 11px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .filtration-inner { grid-template-columns: 1fr; text-align: center; }
  .filtration-icon { margin: 0 auto; }
  .filtration-steps { grid-template-columns: repeat(2, 1fr); }
  .calc-container { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 180px; }
  .work-grid .work-item:first-child { grid-row: span 1; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .service-area { grid-template-columns: 1fr; text-align: center; }
  .area-tags { justify-content: center; }
  .contact-layout { grid-template-columns: 1fr; }
  .cta-section { flex-direction: column; align-items: flex-start; }
  .ai-chat-messages { max-height: 350px; }
}

@media (max-width: 640px) {
  .top-strip {
    justify-content: center;
    gap: 8px 16px;
    font-size: 11px;
    padding: 8px 12px;
    flex-wrap: wrap;
    text-align: center;
  }
  .top-strip a { white-space: nowrap; }
  .brand img { width: 48px; height: 48px; }
  .site-header { padding: 12px 16px; }
  .hero { min-height: auto; }
  .hero-inner { width: min(100% - 32px, 1180px); margin-left: 16px; padding: 48px 0; }
  .hero h1 { font-size: clamp(32px, 10vw, 48px); }
  .hero-text { font-size: 16px; margin: 16px 0 24px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .red-btn, .hero-actions .ghost-btn { width: 100%; text-align: center; }
  .hero-badges { gap: 12px; padding: 10px 12px; flex-wrap: wrap; }
  .hero-badge { font-size: 11px; }
  .hero-badge strong { font-size: 14px; }
  .hero-card { max-width: 100%; }
  .hero-card-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-card-grid div { padding: 10px 6px; }
  .hero-card-grid strong { font-size: 15px; }
  .hero-card-grid span { font-size: 10px; }
  .trust-band { grid-template-columns: 1fr; margin-top: 0; width: 100%; border-left: 0; border-right: 0; }
  .trust-band div { border-right: 0; border-bottom: 1px solid var(--line-subtle); padding: 18px; }
  .trust-band div:last-child { border-bottom: 0; }
  .stats-bar { padding: 14px 16px; }
  .stats-bar-inner { gap: 0; }
  .stat-mini { padding: 6px 10px; font-size: 12px; }
  .stat-mini strong { font-size: 14px; }
  .stat-mini span { font-size: 10px; }
  .stat-sep { height: 16px; }
  .badges-grid { gap: 8px; }
  .badge-item { padding: 8px 10px; font-size: 10px; gap: 6px; }
  .badge-item i { font-size: 12px; }
  .section { padding: 32px 0; }
  .section-title { font-size: clamp(24px, 7vw, 36px); margin-bottom: 28px; }
  .section-title::after { width: 40px; margin-top: 12px; }
  .eyebrow { font-size: 11px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card .service-img { height: 140px; }
  .service-card .service-content { padding: 18px; }
  .service-card h3 { font-size: 18px; }
  .filtration-steps { grid-template-columns: 1fr 1fr; gap: 8px; }
  .filter-step { padding: 12px 6px; }
  .filter-step strong { font-size: 12px; }
  .filter-step span:last-child { font-size: 10px; }
  .calc-container { gap: 24px; }
  .calc-form { padding: 20px; }
  .calc-dims { grid-template-columns: 1fr; }
  .calc-result { padding: 24px 20px; }
  .calc-result-price { font-size: clamp(28px, 8vw, 40px); }
  .calc-info-list li { font-size: 13px; gap: 10px; }
  .calc-disclaimer { font-size: 11px; padding: 12px; }
  .work-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 150px; gap: 10px; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .process-step { padding: 18px; }
  .process-step span { font-size: 26px; margin-bottom: 12px; }
  .process-step h3 { font-size: 15px; }
  .process-step p { font-size: 12px; }
  .ai-chat-section { padding: 32px 0; }
  .ai-chat-messages { max-height: 300px; padding: 14px; }
  .ai-msg-bubble { font-size: 13px; padding: 10px 12px; max-width: 85%; }
  .ai-quick-btns { padding: 0 0 4px 36px; gap: 4px; }
  .ai-quick-btn { padding: 5px 10px; font-size: 11px; }
  .ai-chat-input { padding: 10px 14px; }
  .ai-chat-input input { padding: 8px 12px; font-size: 13px; }
  .ai-chat-input button { width: 38px; height: 38px; font-size: 14px; }
  .cta-section { padding: 24px; width: min(100% - 32px, 1180px); }
  .cta-section h2 { font-size: clamp(22px, 5vw, 32px); }
  .reviews-grid { grid-template-columns: 1fr; }
  .review-card { padding: 20px; }
  .review-card p { font-size: 14px; }
  .map-frame iframe { height: min(50vh, 350px); min-height: 260px; }
  .map-localities { gap: 6px; }
  .map-localities span { padding: 8px 10px; font-size: 11px; }
  .contact-form { padding: 20px; }
  .contact-info a { padding: 12px; }
  .float-buttons { right: 14px; bottom: 14px; gap: 14px; }
  .mail-float { width: 42px; height: 42px; font-size: 18px; }
  .whatsapp-float { width: 52px; height: 52px; font-size: 26px; }
  .footer { padding: 24px 16px; }
  .footer-inner { gap: 10px; font-size: 12px; }
  .footer-links { gap: 16px; }
  .footer-links a { font-size: 12px; }
  .whatsapp-float .wa-tooltip { display: none; }
  .mail-float .mail-tooltip { display: none; }
  .quote-modal { padding: 24px 20px 20px; }
  .quote-modal-header h2 { font-size: 22px; }
  .qf-row { grid-template-columns: 1fr; }
  .qf-checks { grid-template-columns: 1fr; }
}

@media (max-width: 400px) {
  .top-strip { font-size: 10px; gap: 6px 12px; padding: 6px 10px; }
  .hero h1 { font-size: 28px; }
  .hero-badges { gap: 8px; padding: 8px 10px; }
  .hero-badge { font-size: 10px; gap: 4px; }
  .hero-badge strong { font-size: 12px; }
  .hero-card-grid { grid-template-columns: repeat(3, 1fr); gap: 0; }
  .hero-card-grid div { padding: 8px 4px; }
  .hero-card-grid strong { font-size: 13px; }
  .hero-card-grid span { font-size: 9px; }
  .stat-mini { padding: 4px 8px; font-size: 11px; }
  .stat-mini strong { font-size: 13px; }
  .stat-mini i { font-size: 12px; }
  .badge-item { padding: 6px 8px; font-size: 9px; gap: 4px; }
  .badge-item i { font-size: 10px; }
  .service-card .service-img { height: 120px; }
  .service-card h3 { font-size: 16px; }
  .service-card p { font-size: 13px; }
  .calc-form { padding: 16px; }
  .calc-field select, .calc-field input { min-height: 42px; font-size: 13px; }
  .calc-btn { padding: 12px; font-size: 14px; }
  .process-step { padding: 14px; }
  .process-step span { font-size: 22px; }
  .process-step h3 { font-size: 14px; }
  .ai-chat-input input { font-size: 12px; }
  .cta-section { padding: 20px; }
  .cta-section h2 { font-size: 20px; }
  .map-localities span { padding: 6px 8px; font-size: 10px; }
  .contact-form { padding: 16px; gap: 12px; }
  .float-buttons { right: 10px; bottom: 10px; gap: 12px; }
  .mail-float { width: 38px; height: 38px; font-size: 16px; }
  .whatsapp-float { width: 48px; height: 48px; font-size: 24px; }
}