:root {
  --bg: #fafaf7;
  --bg-soft: #f1efe9;
  --bg-dark: #0e1f1a;
  --ink: #0f1a17;
  --ink-2: #4a554f;
  --muted: #7e8782;
  --line: #e6e2d6;
  --primary: #1c4f3f;
  --primary-2: #2e7a5e;
  --accent: #c9a14a;
  --accent-2: #e6c373;
  --white: #ffffff;
  --shadow: 0 12px 40px rgba(20, 40, 30, 0.08);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

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

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.logo-mark {
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center; justify-content: center;
  background: var(--primary);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 14px;
  border-radius: 9px;
}
.brand-text { font-size: 17px; letter-spacing: 0.04em; }
.brand-text em { font-style: normal; color: var(--accent); font-weight: 800; margin-left: 2px; }

.nav-links {
  display: flex;
  gap: 26px;
}
.nav-links a {
  font-size: 14px;
  color: var(--ink-2);
  font-weight: 500;
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--primary); }

.cta-btn {
  background: var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s ease;
}
.cta-btn:hover { background: var(--primary-2); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-2); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--ink);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-block { width: 100%; }

/* ---- Hero ---- */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
  background:
    radial-gradient(800px 400px at 85% 20%, rgba(201, 161, 74, 0.12), transparent 60%),
    radial-gradient(700px 500px at 10% 80%, rgba(28, 79, 63, 0.08), transparent 60%),
    var(--bg);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.badge {
  background: rgba(28, 79, 63, 0.08);
  color: var(--primary);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.hero h1 {
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.15;
  font-weight: 900;
  margin: 0 0 22px;
  letter-spacing: -0.01em;
}
.accent { color: var(--primary); }
.lede {
  font-size: 18px;
  color: var(--ink-2);
  margin: 0 0 32px;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
  max-width: 520px;
}
.hero-stats li b {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  font-family: 'Inter', sans-serif;
}
.hero-stats li span {
  font-size: 13px;
  color: var(--muted);
}
.hero-visual {
  position: relative;
  padding: 40px;
  background: linear-gradient(140deg, #ffffff 0%, #f5f1e6 100%);
  border-radius: 28px;
  box-shadow: var(--shadow);
}
.hero-visual::before {
  content: "";
  position: absolute;
  top: -30px; right: -30px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, var(--accent-2), transparent 70%);
  opacity: 0.5;
  border-radius: 50%;
}
.hero-visual img {
  position: relative;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 30px rgba(0,0,0,0.15));
}

/* ---- Trust bar ---- */
.trust-bar {
  background: var(--ink);
  color: #fff;
  padding: 28px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trust-grid > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.trust-grid b {
  color: var(--accent-2);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.trust-grid span {
  font-size: 14px;
  color: #c8d0cc;
}

/* ---- Sections ---- */
.section {
  padding: 100px 0;
}
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--bg-dark); color: #e8efe9; }
.section-dark .eyebrow-light { color: var(--accent-2); }

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow-light { color: var(--accent-2); }
.section h2 {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.section-head p {
  font-size: 16px;
  color: var(--ink-2);
  margin: 0;
}
.section-dark .section-head p,
.section-dark p { color: #b8c4be; }

/* ---- Products ---- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.product-img {
  aspect-ratio: 4/3;
  background: linear-gradient(160deg, #f6f1e6 0%, #ece4d2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
}
.product-img img {
  max-height: 100%;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 12px 18px rgba(0,0,0,0.12));
}
.product-body { padding: 28px; }
.tag {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.tag-alt { background: #2c6e5c; }
.tag-warm { background: #a76b2b; }
.product-card h3 {
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 6px;
}
.product-sub {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 20px;
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}
.feature-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--ink-2);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 2px;
  transform: rotate(45deg);
}
.spec {
  background: var(--bg-soft);
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.6;
}

/* ---- INUPLUS section ---- */
.inuplus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 50px;
  align-items: start;
}
.inuplus-text h2 { color: #fff; max-width: 760px; }
.inuplus-text > p {
  max-width: 760px;
  color: #b8c4be;
  margin-bottom: 50px;
  font-size: 16px;
}
.mech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.mech {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 28px;
}
.mech-num {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent-2);
  margin-bottom: 12px;
}
.mech h4 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
}
.mech p {
  margin: 0;
  font-size: 14px;
  color: #aab5b0;
  line-height: 1.7;
}

/* ---- Benefits ---- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.benefit {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  transition: border-color 0.2s ease;
}
.benefit:hover { border-color: var(--accent); }
.bi {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 10px;
}
.benefit h4 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
}
.benefit p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-2);
}

/* ---- Science ---- */
.science-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: start;
}
.muted { color: var(--muted); }
.science-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: sci;
}
.science-list li {
  padding: 18px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  color: var(--ink-2);
}
.science-list li b { color: var(--primary); margin-right: 4px; }

.science-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 30px;
  box-shadow: var(--shadow);
}
.science-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.science-row:last-child { border-bottom: none; }
.science-row span { color: var(--muted); font-size: 14px; }
.science-row b { color: var(--primary); font-weight: 700; font-size: 15px; }

/* ---- Use cases ---- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.case {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px;
  transition: transform 0.2s ease;
}
.case:hover { transform: translateY(-4px); }
.case h4 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
}
.case p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-2);
}

/* ---- Event ---- */
.section-event { background: var(--bg-dark); color: #e8efe9; }
.event-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.event-img {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}
.event-text h2 { color: #fff; }
.event-text p { color: #b8c4be; margin-bottom: 30px; }

/* ---- CTA / cooperation ---- */
.section-cta {
  background: linear-gradient(135deg, var(--primary) 0%, #103527 100%);
  color: #fff;
}
.cta-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}
.section-cta h2 { color: #fff; }
.section-cta p { color: #cfd9d3; font-size: 16px; }
.cta-list {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cta-list li {
  padding-left: 24px;
  position: relative;
  color: #e6ede9;
  font-size: 15px;
}
.cta-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-2);
  font-weight: 800;
}

.cta-form {
  background: #fff;
  color: var(--ink);
  border-radius: 18px;
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.cta-form label {
  display: flex;
  flex-direction: column;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  gap: 6px;
}
.cta-form label.full { grid-column: 1 / -1; }
.cta-form input,
.cta-form select,
.cta-form textarea {
  font-family: inherit;
  font-size: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  transition: border-color 0.2s ease;
}
.cta-form input:focus,
.cta-form select:focus,
.cta-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.cta-form button { grid-column: 1 / -1; margin-top: 6px; }

/* ---- Direct contact block (cooperation section) ---- */
.contact-direct {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.15);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-2);
  text-transform: uppercase;
  margin: 0 0 8px;
}
.contact-row {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 12px 16px;
  color: #fff;
  transition: background 0.2s ease, border-color 0.2s ease;
}
a.contact-row { text-decoration: none; cursor: pointer; }
a.contact-row:hover { background: rgba(255,255,255,0.12); border-color: var(--accent-2); transform: translateX(2px); }
.contact-ico {
  width: 36px; height: 36px;
  background: var(--accent);
  color: #0e1f1a;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 16px;
  flex-shrink: 0;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.4;
}
.contact-info b {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-2);
  text-transform: uppercase;
}
.contact-info span {
  font-size: 14.5px;
  color: #fff;
  font-weight: 500;
}

/* ---- Right column container (QR + form) ---- */
.cta-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ---- WeChat QR Card ---- */
.qr-card {
  background: #fff;
  border-radius: 20px;
  padding: 32px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  max-width: 380px;
  margin: 0 auto;
}
.qr-title {
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--primary);
  text-transform: uppercase;
}
.qr-card img {
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
  display: block;
  border-radius: 10px;
}
.qr-foot {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
}
.qr-foot b {
  color: var(--primary);
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  letter-spacing: 0.05em;
}
.qr-name {
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ---- Stack 2 QRs vertically (when 2 contact persons) ---- */
.qr-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.qr-stack .qr-card {
  padding: 24px 22px;
  max-width: none;
}
.qr-stack .qr-card img {
  max-width: 220px;
}

/* ---- Multi-person contact: tighter spacing between contact-direct blocks ---- */
.contact-direct + .contact-direct {
  margin-top: 24px;
}

/* ---- Footer ---- */
.site-footer {
  background: #0a1612;
  color: #aeb9b4;
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.brand-foot { color: #fff; margin-bottom: 14px; }
.foot-desc { font-size: 14px; color: #aeb9b4; margin: 0; max-width: 280px; }
.site-footer h5 {
  color: #fff;
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.site-footer ul li {
  padding: 5px 0;
  font-size: 14px;
}
.foot-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: center;
}
.foot-bottom small {
  color: #5e6b66;
  font-size: 13px;
}

/* ---- Hero tagline (Italian-style elegant lede) ---- */
.hero-tagline {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: none;
  margin: 0 0 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  max-width: 460px;
}

/* ---- Hero stats inline unit ---- */
.hero-stats li b small {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  margin-left: 2px;
  letter-spacing: 0;
}

/* ---- Pain hook ---- */
.pain-hook { padding: 100px 0; }
.pain-wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; text-align: center; }
.pain-hook h2 {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 900;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}
.pain-lede {
  font-size: 17px;
  color: var(--ink-2);
  max-width: 620px;
  margin: 0 auto 56px;
}
.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pain-card {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 14px;
  padding: 28px 24px;
  text-align: left;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.pain-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.pain-icon {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}
.pain-card h4 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}
.pain-card p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
}

/* ---- 4 Pillars ---- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.pillar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.pillar:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--accent); }
.pillar-num {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--accent);
}
.pillar h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.01em;
}
.pillar-tag {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}
.pillar-body {
  margin: 0;
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.75;
  flex: 1;
}
.pillar-body strong { color: var(--primary); }
.pillar-foot {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

/* ---- Mech num override for longer labels ---- */
.mech-num {
  white-space: nowrap;
  display: inline-block;
}

/* ---- Usage steps ---- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step {
  background: var(--bg-soft);
  border-radius: 16px;
  padding: 28px 24px;
  position: relative;
}
.step-num {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 12px;
}
.step h4 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
}
.step p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
}
.step p strong { color: var(--ink); font-weight: 700; }
.step-warn {
  display: inline-block;
  margin-top: 6px;
  font-size: 12px;
  color: #b94a4a;
  font-weight: 600;
}

/* ---- Partner grid ---- */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.partner-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.partner-card:hover { transform: translateY(-3px); border-color: var(--primary); }
.partner-card h4 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--primary);
}
.partner-card p {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.7;
}

/* ---- Inline link in section-head ---- */
.inline-link {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
  transition: color 0.2s ease;
  white-space: nowrap;
}
.inline-link:hover { color: var(--accent); }

/* ---- Footer links ---- */
.site-footer ul li a {
  color: inherit;
  transition: color 0.2s ease;
}
.site-footer ul li a:hover { color: var(--accent-2); }

/* ---- Responsive ---- */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero { padding: 60px 0 70px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-stats { max-width: none; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .product-grid,
  .benefits-grid,
  .cases-grid { grid-template-columns: 1fr; }
  .mech-grid { grid-template-columns: 1fr; }
  .pillars-grid { grid-template-columns: 1fr; gap: 18px; }
  .pillar { padding: 28px; }
  .pain-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .pain-card { padding: 22px 18px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .benefits-grid { grid-template-columns: 1fr; }
  .science-grid,
  .event-grid,
  .cta-grid { grid-template-columns: 1fr; gap: 40px; }
  .cta-form { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .section { padding: 70px 0; }
}
@media (max-width: 540px) {
  .trust-grid,
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 18px; }
  .hero-actions .btn { flex: 1; }
  .pain-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: 1fr; }
}