/* ── ROOT VARIABLES ── */
:root {
  --blue-deep:   #0a2463;
  --blue-mid:    #1565c0;
  --blue-bright: #2196f3;
  --blue-light:  #e3f2fd;
  --blue-pale:   #f0f7ff;
  --accent:      #f4c430;
  --text-dark:   #0d1b2a;
  --text-muted:  #4a6080;
  --white:       #ffffff;
  --shadow:      0 8px 40px rgba(10,36,99,0.13);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--text-dark);
  overflow-x: hidden;
}

/* ── SCROLL REVEAL BASE ──
   Alle elementy z [data-reveal] startują niewidoczne.
   Klasa .revealed dodana przez JS wywołuje przejście. */
[data-reveal] {
  transition: opacity 0.65s ease, transform 0.65s ease;
}
[data-reveal][data-dir="bottom"] { opacity: 0; transform: translateY(50px); }
[data-reveal][data-dir="left"]   { opacity: 0; transform: translateX(-60px); }
[data-reveal][data-dir="right"]  { opacity: 0; transform: translateX(60px); }
[data-reveal].revealed           { opacity: 1; transform: translate(0, 0); }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 10vw;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(21,101,192,0.1);
  transition: box-shadow .3s;
}
nav.scrolled { box-shadow: 0 4px 24px rgba(10,36,99,0.1); }
.nav-logo { display: flex; align-items: center; }
.nav-logo-img { height: 32px; width: auto; display: block; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a { font-size: .9rem; font-weight: 500; color: var(--text-muted); text-decoration: none; transition: color .2s; }
.nav-links a:hover { color: var(--blue-mid); }
.nav-cta {
  background: var(--blue-mid); color: #fff; border: none;
  padding: 10px 22px; border-radius: 50px;
  font-family: 'Inter', sans-serif; font-size: .9rem; font-weight: 500;
  cursor: pointer; transition: background .2s, transform .2s;
  text-decoration: none; display: flex; align-items: center; gap: 8px;
}
.nav-cta:hover { background: var(--blue-deep); transform: translateY(-1px); }
.nav-right-btns { display: flex; align-items: center; gap: 16px; }
/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 120px 10vw 80px;
  position: relative; overflow: hidden;
  background: #ffffff;
}
.hero-bg {
  position: absolute;
  inset: -20%;
  background: url('img/sensor_bg.jpg') center center / cover no-repeat;
  will-change: transform;
  z-index: 0;
}
.hero-content {
  position: relative; z-index: 2; flex: 1; max-width: 800px;
  animation: fadeUp .7s .1s ease both;
  display: flex; flex-direction: column; gap: 32px;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 800; line-height: 1.1; color: #333;
}
.hero h1 em { font-style: normal; color: var(--blue-bright); }
.hero-sub { font-size: 1.05rem; color: rgba(31,31,31,.7); line-height: 1.7; }
.hero-icons { display: flex; flex-wrap: wrap; gap: 12px; }
.icon-chip {
  display: flex; align-items: center; gap: 7px;
  background: rgba(226,246,255,0.5);
  box-shadow: 0 4px 30px rgba(88,114,159,0.1);
  backdrop-filter: blur(16px);
  border: 2px solid rgba(226,246,255,1);
  padding: 8px 18px; border-radius: 50px;
  font-size: .88rem; font-weight: 500; color: #474747;
}
.hero-sensor-wrap {
  position: relative; z-index: 2; flex: 0 0 auto;
  width: clamp(400px, 50vw, 600px);
  display: flex; align-items: center; justify-content: center;
  animation: fadeUp .8s .25s ease both;
}
.hero-sensor { width: 100%; height: auto; display: block; will-change: transform; }
.hero-icon-chevron { display: flex; flex-wrap: wrap; gap: 12px; }
.icon-wrapper {
  display: flex; align-items: center; gap: 7px;
  backdrop-filter: blur(16px);
  padding: 8px 18px; border-radius: 50px;
  font-size: .88rem; font-weight: 500; color: #474747;
}
.water-icon {
  background: linear-gradient(to bottom, #00fff0, #0083fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.temperature-icon {
  background: linear-gradient(to bottom, #F0CB35, #ff0000);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.bluetooth-icon {
  background: linear-gradient(to bottom, #1DA1F2, #1DA1F2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.monitoring-icon { 
  background: linear-gradient(to bottom, #DCE35B, #45B649);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
/* ── HERO SCROLL HINT ── */
.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: rgba(31,31,31,.7);
  opacity: 0.6;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .2s;
  animation: bounce 2s ease-in-out infinite;
}
.hero-scroll-hint:hover { opacity: 1; }
.hero-scroll-hint .material-symbols-outlined { font-size: 2.4rem; }

/* ── SECTION COMMON ── */
section { padding: 90px 10vw; }
.section-intro {
  text-align: center;
  display: flex;
  flex-direction: column; gap: 16px;
  align-items: center; 
  max-width: 640px;
  margin: 0 auto; }
.section-label {
  font-size: .78rem; font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; color: var(--blue-bright); margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800; color: var(--blue-deep); line-height: 1.15;
}
.section-desc {
  color: var(--text-muted); font-size: 1.05rem; line-height: 1.75;
  max-width: 560px; margin-top: 14px;
}

/* ── FEATURES ── */
.features-section { background: var(--blue-pale); position: relative; }
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px; margin-top: 56px;
}
.feature-card {
  background: white; border-radius: 20px; padding: 32px 28px;
  box-shadow: var(--shadow); border: 1px solid rgba(21,101,192,0.07);
  transition: opacity 0.65s ease, transform 0.65s ease, box-shadow .3s;
}
.feature-img{
  max-width: 100%;
  height: auto;
  display: block;
}
/* hover po reveal */
.feature-card.revealed:hover {
  transform: translateY(-5px) !important;
  box-shadow: 0 16px 48px rgba(10,36,99,0.16);
}
.feature-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--blue-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.feature-icon svg { width: 26px; height: 26px; stroke: var(--blue-mid); fill: none; stroke-width: 2; }
.feature-card h3 { font-size: 1.08rem; font-weight: 700; color: var(--blue-deep); margin-bottom: 8px; margin-top: 12px;}
.feature-card p  { font-size: .92rem; color: var(--text-muted); line-height: 1.65;}

/* ── VALUE PROPS V2 ── */
.value-section { background: white; }

.value-row-v2 {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 60px;
}

.value-item-v2 {
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  padding: 0 48px; min-width: 220px;
}

.value-icon-v2 {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}

/* Skaluj ikonę wiertarki i wifi do większego rozmiaru */

.value-drill-icon, .value-wifi-icon {
  width: 48px;
  height: 48px;
}
.value-title-v2 {
  font-size: 1.15rem; font-weight: 800;
  color: var(--text-dark); margin-bottom: 10px;
}

.value-desc-v2 {
  font-size: .92rem; color: var(--text-muted); line-height: 1.65;
}

.value-connector {
  display: flex; align-items: center;
  padding: 0 8px; padding-bottom: 40px;
}

/* Skaluj plus i equals do widocznego rozmiaru */
.value-connector svg {
  width: 40px;
  height: auto;
}

/* Result - czerwona elipsa z SVG zamiast border */
.value-result-v2 {
  position: relative; padding: 0 24px;
  display: flex; align-items: center;
  justify-content: center; min-width: 200px;
}

.value-result-inner {
  position: relative; display: inline-flex;
  flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  width: 160px; height: 100px;
  transform: rotate(-4deg);
}

/* SVG elipsy pozycjonowana absolutnie za tekstem */
.highlight-circle {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 160px;
  height: auto;
  pointer-events: none;
}

.value-result-inner p {
  position: relative; z-index: 1;
  font-size: 1.45rem; font-weight: 800;
  color: var(--text-dark); line-height: 1.25;
}

.sparkle {
  position: absolute; color: #90caf9;
  pointer-events: none;
  animation: sparkleFloat 3s ease-in-out infinite;
}
.sp1 { top: -8px; right: 8px; font-size: .75rem; animation-delay: 0s; }
.sp2 { top: 10px; right: -10px; font-size: 1.1rem; animation-delay: 0.8s; }
.sp3 { bottom: 8px; right: 0; font-size: .65rem; animation-delay: 1.6s; }

@keyframes sparkleFloat {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.7; }
  50% { transform: translateY(-5px) scale(1.15); opacity: 1; }
}

@media (max-width: 768px) {
  .value-row-v2 { flex-direction: column; gap: 8px; }
  .value-item-v2 { padding: 0 20px; }
  .value-connector { padding-bottom: 0; }
  .value-result-v2 { margin-top: 16px; }
}
/* ── PRICING ── */
.pricing-section { background: var(--blue-pale); }
.pricing-grid {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: 28px; margin-top: 56px;
}
.pricing-card {
  background: white; border-radius: 24px; padding: 40px 36px 24px 36px;
  box-shadow: var(--shadow); border: 2px solid transparent;
  transition: opacity 0.65s ease, transform 0.65s ease, border-color .3s;
  position: relative;
}
.pricing-card.featured { border-color: var(--blue-mid); }
.pricing-card.featured::before {
  content: 'Zapytaj o promocję!';
  position: absolute; top: -14px; left: 28px;
  background: #e53935; color: white;
  font-size: .75rem; font-weight: 700; padding: 5px 14px;
  border-radius: 50px; letter-spacing: .5px;
}
.pricing-card.revealed:hover { transform: translateY(-4px) !important; }
.pricing-card.featured.revealed { transform: scale(1.02); }
.pricing-card.featured.revealed:hover { transform: scale(1.02) translateY(-4px) !important; }
.plan-name {
  font-size: .8rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase;
  background: var(--blue-mid); color: white;
  display: inline-block; padding: 6px 18px; border-radius: 50px; margin-bottom: 28px;
}
.price-device { font-size: 2.4rem; font-weight: 800; color: var(--blue-deep); line-height: 1; }
.price-sub    { font-size: .85rem; color: var(--text-muted); margin-bottom: 16px; }
.price-monthly { font-size: 1.5rem; font-weight: 700; color: var(--blue-mid); margin-top: 12px; }
.divider { height: 1px; background: var(--blue-light); margin: 24px 0; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.pricing-features li { display: flex; align-items: flex-start; gap: 10px; font-size: .9rem; color: var(--text-dark); }
.pricing-features li::before { content: '✓'; color: #4caf50; font-weight: 700; flex-shrink: 0; margin-top: 1px; }
.pricing-btn {
  display: block; width: 100%; margin-top: 28px; padding: 14px;
  border-radius: 14px; background: var(--blue-mid); color: white; border: none;
  font-family: 'Inter', sans-serif; font-size: .95rem; font-weight: 600;
  cursor: pointer; transition: background .2s, transform .2s;
  text-align: center; text-decoration: none;
}
.pricing-btn:hover       { background: var(--blue-deep); transform: translateY(-1px); }
.pricing-btn-dark        { background: var(--blue-deep); }

/* ── CLIENTS ── */
.clients-section { background: var(--blue-pale); }
.clients-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px; margin-top: 48px;
}
.client-tile {
  background: var(--blue-pale); border-radius: 16px; padding: 28px 20px;
  text-align: center; border: 1px solid rgba(21,101,192,0.1);
  transition: opacity 0.65s ease, transform 0.65s ease, background .25s;
}
.client-tile.revealed:hover { background: var(--blue-light); transform: translateY(-3px) !important; }
.client-tile strong { font-size: .9rem; font-weight: 700; color: var(--blue-deep); display: block; line-height: 1.4; }
.client-tile span   { font-size: .75rem; color: var(--text-muted); margin-top: 4px; display: block; }

/* ── DEMO SECTION ───────────────────────────────────────── */
.demo-section {
  padding: 80px 40px;
  overflow: hidden;
}

.demo-inner {
  display: flex;
  direction: row;
  justify-content: space-between;
  gap: 40px;
  margin: 0 auto;
}

.demo-content {
  flex: 1;
  min-width: 0;
  text-align: center;
}

.demo-content .section-intro {
  padding: 0;
  margin-bottom: 32px;
}

/* Kolumny screenów */
.demo-screens {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.demo-screens-left {
  
}

.demo-screens-right {
 
}

.demo-screen-card {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 
  0px 2px 4px rgba(0, 0, 0, 0.10),
  0px 7px 7px rgba(0, 0, 0, 0.09),
  0px 16px 9px rgba(0, 0, 0, 0.05),
  0px 28px 11px rgba(0, 0, 0, 0.02);
  background: #fff;
}

.demo-screen-card img {
  width: 100%;
  display: block;
}

/* Responsive */
@media (max-width: 900px) {
  .demo-inner {
    flex-direction: column;
  }
  .demo-screens {
    flex-direction: row;
    flex: 0 0 auto;
    width: 100%;
    transform: none;
  }
  .demo-screen-card {
    flex: 1;
  }
}

/* ── CERT BANNER ── */
.cert-banner {
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-mid) 100%);
  border-radius: 24px; padding: 48px 52px;
  display: flex; align-items: center; gap: 48px; flex-wrap: wrap;
  margin-top: 60px;
}
.cert-icon { width: 64px; height: 64px; border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
}
.cert-icon-img { width: 100px; height: 100px; }
.cert-text h3 { font-size: 1.5rem; font-weight: 800; color: white; margin-bottom: 8px; }
.cert-text p  { color: rgba(255,255,255,.75); font-size: 1rem; }

.card {
  background: var(--white);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  animation: fadeUp 0.6s ease both;
}

.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.18s; }
.card:nth-child(3) { animation-delay: 0.31s; }

.card:hover {
  transform: translateY(-8px) scale(1.015);
  box-shadow: var(--shadow-hover);
}

.card--featured {
  transform: translateY(-6px);
}

.card--featured:hover {
  transform: translateY(-14px) scale(1.015);
}
/* ──────────────────────────────────────────────
   GALLERY IMAGES
────────────────────────────────────────────── */

.gallery-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 40px;
}

.gallery-card {
    width: 320px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    text-align: center;
    position: relative;
}

.card-image {
    height: 180px;
    background-size: cover;
    background-position: center;
}

.card-logo {
    position: absolute;
    top: 140px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.card-logo img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.card-title {
    margin-top: 24px;
    padding: 20px;
    font-size: 18px;
    font-weight: 600;
    color: #333;
}
/* ──────────────────────────────────────────────
   ANIMATION
────────────────────────────────────────────── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card--featured {
  animation-name: fadeUpFeatured;
}

@keyframes fadeUpFeatured {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(-6px);
  }
}

/* ──────────────────────────────────────────────
   RESPONSIVE
────────────────────────────────────────────── */
@media (max-width: 768px) {
  .gallery {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .card--featured {
    transform: none;
  }

  .card--featured:hover {
    transform: translateY(-8px) scale(1.015);
  }
}

@media (min-width: 769px) and (max-width: 960px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .card:last-child {
    grid-column: span 2;
    max-width: 380px;
    margin: 0 auto;
    width: 100%;
  }
}
/* ── CTA ── */
.cta-section {
  background: var(--blue-deep); text-align: center;
  padding: 100px 6vw; position: relative; overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232196f3' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-section h2 {
  font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 800; color: white;
  position: relative; z-index: 1;
}
.cta-section > p {
  color: rgba(255,255,255,.7); font-size: 1.1rem; margin-top: 14px;
  max-width: 500px; margin-inline: auto; line-height: 1.7;
  position: relative; z-index: 1;
}
.cta-actions {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  margin-top: 36px; position: relative; z-index: 1;
}
.btn-primary {
  background: var(--accent); color: var(--blue-deep);
  padding: 16px 34px; border-radius: 50px; border: none;
  font-family: 'Inter', sans-serif; font-size: 1rem; font-weight: 700;
  cursor: pointer; transition: transform .2s, box-shadow .2s;
  text-decoration: none; display: inline-block;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(244,196,48,.4); }
.btn-ghost {
  background: transparent; color: white;
  padding: 16px 34px; border-radius: 50px; border: 2px solid rgba(255,255,255,.4);
  font-family: 'Inter', sans-serif; font-size: 1rem; font-weight: 500;
  cursor: pointer; transition: border-color .2s, background .2s;
  text-decoration: none; display: inline-block;
}
.btn-ghost:hover { border-color: white; background: rgba(255,255,255,.08); }
.btn-ghost-blue{
  background: transparent; color: var(--blue-bright);
  padding: 10px 34px;
  border-radius: 50px;
  border: 2px solid rgba(0, 123, 255, 0.4);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  text-decoration: none;
  display: inline-block;

}
.btn-ghost-blue:hover {
  border-color: rgba(0, 123, 255, 0.8);
  background: rgba(0, 123, 255, 0.08);
  color: rgba(0, 123, 255, 1);
}
.cta-contact { color: rgba(255,255,255,.5); font-size: .88rem; margin-top: 28px; position: relative; z-index: 1; }
.cta-contact a { color: rgba(255,255,255,.8); text-decoration: none; font-weight: 500; }
.cta-contact a:hover { color: white; }

/* ── CONTACT FORM ── */
.contact-form-section { padding: 90px 10vw; }
.contact-form-card {
  background: #fff; border-radius: 14px; padding: 28px;
  box-shadow: var(--shadow); border: 1px solid rgba(21,101,192,0.07);
  max-width: 720px;
  margin: 24px auto 0;
}
.contact-form-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 18px; margin-bottom: 18px;
}
.form-group-full { grid-column: span 2; }
.form-group label { display: block; font-size: 14px; margin-bottom: 6px; color: #333; }
.form-group input,
.form-group textarea {
  width: 100%; padding: 14px 16px; border-radius: 10px;
  border: 1px solid #ddd; font-size: 15px;
  background: #fff; font-family: 'Inter', sans-serif;
  transition: all .2s ease;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #aaa; }
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: #111; background: #fff; }
textarea { resize: vertical; min-height: 120px; }
.form-footer { margin-top: 20px; }
.form-note { font-size: 13px; color: #888; margin-bottom: 16px; }
.btn-submit {
  width: 100%;
  background: var(--blue-mid);
  color: #fff; border: none;
  border-radius: 28px; padding: 16px; font-size: 16px; font-weight: 600;
  cursor: pointer; transition: all .2s ease;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-family: 'Inter', sans-serif;
}
.btn-submit:hover { background: var(--blue-deep); }
.form-success {
  display: none; margin-top: 20px; padding: 16px;
  border-radius: 10px; background: #f0fdf4; color: #166534; font-size: 14px;
}
.captcha-box {
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 12px 16px;
    margin: 12px 0;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .captcha-box input {
    width: 70px;
    padding: 6px 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 15px;
  }
  .captcha-box label {
    font-size: 15px;
    font-weight: 500;
  }

/* ── FOOTER ── */
footer {
  background: #07162a; padding: 32px 6vw;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 14px;
}
footer p { font-size: .85rem; color: rgba(255,255,255,.4); }
footer a  { color: rgba(255,255,255,.6); text-decoration: none; font-size: .85rem; }
footer a:hover { color: white; }

/* ── KEYFRAMES ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { flex-direction: column; text-align: center; padding: 110px 6vw 60px; }
  .hero-icons { justify-content: center; }
  .hero-sensor-wrap { width: clamp(200px, 70vw, 320px); }
  .value-row { flex-direction: column; }
  .cert-banner { flex-direction: column; text-align: center; padding: 36px 28px; }
  .contact-form-grid { grid-template-columns: 1fr; }
  .form-group-full { grid-column: span 1; }
}