:root {
  --ink: #101012;
  --muted: #65676d;
  --soft: #f5f5f7;
  --panel: #fbfbfd;
  --line: rgba(17, 17, 18, 0.1);
  --blue: #0071e3;
  --blue-dark: #005bb8;
  --mint: #d8f4ec;
  --sage: #a7c8bd;
  --cream: #faf7f0;
  --white: #fff;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  letter-spacing: 0;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  transition: background .2s ease, border-color .2s ease;
}
.site-nav.scrolled {
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--line);
}
.nav-inner {
  width: min(1180px, calc(100% - 34px));
  height: 54px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap;
}
.brand span { color: var(--blue); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(16, 16, 18, .72);
  font-size: .88rem;
}
.nav-links a:hover { color: var(--ink); }
.tools-nav { position: relative; }
.tools-nav > button {
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
}
.tools-menu {
  display: none;
  position: absolute;
  top: calc(100% + 16px);
  left: 0;
  min-width: 178px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.98);
  box-shadow: var(--shadow);
}
.tools-nav:hover .tools-menu, .tools-nav:focus-within .tools-menu { display: block; }
.tools-menu a { display: block; padding: 10px 12px; border-radius: 6px; white-space: nowrap; }
.tools-menu a:hover, .tools-menu a.active { background: var(--soft); color: var(--ink); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: .86rem;
  font-weight: 600;
}
.menu-button {
  display: none;
  border: 0;
  background: transparent;
  font-size: 1.4rem;
  color: var(--ink);
}

.hero {
  min-height: 94vh;
  display: grid;
  align-items: end;
  position: relative;
  overflow: hidden;
  background: #060607;
  color: #fff;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, .68) 0%, rgba(0, 0, 0, .25) 46%, rgba(0, 0, 0, .05) 100%),
    url("https://images.unsplash.com/photo-1629909613654-28e377c37b09?w=1800&q=86") center / cover;
  transform: scale(1.02);
}
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 30vh;
  background: linear-gradient(0deg, rgba(0,0,0,.62), transparent);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 34px));
  margin: 0 auto;
  padding: 124px 0 86px;
}
.eyebrow {
  margin: 0 0 14px;
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--muted);
}
.hero .eyebrow { color: rgba(255,255,255,.7); }
.headline-xl {
  margin: 0;
  max-width: 820px;
  font-size: clamp(3.7rem, 9vw, 8.8rem);
  line-height: .92;
  font-weight: 750;
}
.headline-lg {
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 5.8rem);
  line-height: .95;
  font-weight: 740;
}
.headline-md {
  margin: 0;
  font-size: clamp(2.05rem, 4.2vw, 4.25rem);
  line-height: 1;
  font-weight: 730;
}
.subhead {
  margin: 24px 0 0;
  max-width: 640px;
  color: rgba(255,255,255,.82);
  font-size: clamp(1.1rem, 2vw, 1.48rem);
  line-height: 1.36;
}
.actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 650;
  border: 1px solid transparent;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-dark); }
.btn-white { background: #fff; color: #111; }
.btn-outline-white { color: #fff; border-color: rgba(255,255,255,.48); background: rgba(255,255,255,.08); }
.btn-outline { border-color: rgba(16,16,18,.16); background: rgba(255,255,255,.6); color: var(--ink); }
.btn-large { min-height: 54px; padding: 0 28px; font-size: 1rem; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.stat {
  min-height: 148px;
  padding: 34px 24px;
  display: grid;
  place-items: center;
  text-align: center;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: 0; }
.stat strong { display: block; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1; }
.stat span { display: block; margin-top: 10px; color: var(--muted); line-height: 1.3; }

.section {
  padding: 110px 0;
}
.section-tight { padding: 78px 0; }
.container {
  width: min(1180px, calc(100% - 34px));
  margin: 0 auto;
}
.center { text-align: center; }
.center .subcopy { margin-left: auto; margin-right: auto; }
.subcopy {
  max-width: 730px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.32rem);
  line-height: 1.5;
}
.soft { background: var(--soft); }
.cream { background: var(--cream); }
.dark { background: #000; color: #fff; }
.dark .subcopy { color: rgba(255,255,255,.72); }

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 54px;
}
.service-card {
  min-height: 500px;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  color: #fff;
  background: #111;
  box-shadow: var(--shadow);
}
.service-card img {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: cover;
  opacity: .76;
  transition: transform .45s ease;
}
.service-card:hover img { transform: scale(1.04); }
.service-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.72), rgba(0,0,0,.08) 58%);
}
.card-copy {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
  z-index: 2;
}
.card-copy h3 {
  margin: 0;
  font-size: 2rem;
  line-height: 1;
}
.card-copy p { margin: 12px 0 18px; color: rgba(255,255,255,.8); line-height: 1.45; }
.card-copy span { color: #8ec5ff; font-weight: 700; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 680px;
}
.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.split-copy {
  padding: clamp(42px, 7vw, 90px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.feature-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}
.feature-item {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  align-items: start;
}
.icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--mint);
  color: #0a6d58;
  font-weight: 800;
}
.feature-item h3 { margin: 0 0 4px; font-size: 1.05rem; }
.feature-item p { margin: 0; color: var(--muted); line-height: 1.45; }

.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 54px;
}
.process-card {
  min-height: 280px;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.process-card strong { color: var(--blue); }
.process-card h3 { font-size: 1.34rem; margin: 44px 0 10px; }
.process-card p { color: var(--muted); line-height: 1.5; margin: 0; }

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 54px;
}
.review {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
}
.stars { color: #f5a400; margin-bottom: 24px; }
.review blockquote { margin: 0; font-size: 1.15rem; line-height: 1.45; }
.review cite { display: block; margin-top: 22px; color: var(--muted); font-style: normal; }

.hero-small {
  padding: 150px 0 80px;
  background: var(--soft);
}
.hero-small .subhead { color: var(--muted); }
.page-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 44px;
  align-items: center;
}
.page-photo {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.page-photo img {
  width: 100%;
  height: 560px;
  object-fit: cover;
}
.list {
  display: grid;
  gap: 12px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}
.list li {
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  color: var(--muted);
}
.list b { color: var(--ink); }

.pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 54px;
}
.price-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
}
.price-card.featured {
  background: #111;
  color: #fff;
  transform: translateY(-12px);
}
.price-card h3 { margin: 0; font-size: 1.7rem; }
.price-card p { color: var(--muted); line-height: 1.5; }
.price-card.featured p, .price-card.featured li { color: rgba(255,255,255,.72); }
.price-card ul { padding-left: 18px; line-height: 1.9; }

.contact-wrap {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 30px;
}
.contact-panel, .form-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 34px;
}
.contact-panel p { color: var(--muted); line-height: 1.55; }
form { display: grid; gap: 14px; }
label { font-size: .88rem; font-weight: 700; color: #3b3c40; }
input, select, textarea {
  width: 100%;
  margin-top: 7px;
  border: 1px solid rgba(16,16,18,.16);
  border-radius: 8px;
  padding: 14px 15px;
  font: inherit;
  background: #fbfbfd;
}
textarea { min-height: 130px; resize: vertical; }

.cta {
  min-height: 560px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 90px 20px;
  color: #fff;
  background:
    linear-gradient(0deg, rgba(0,0,0,.66), rgba(0,0,0,.38)),
    url("https://images.unsplash.com/photo-1606811971618-4486d14f3f99?w=1800&q=86") center / cover;
}
.cta .subcopy { color: rgba(255,255,255,.8); margin-left: auto; margin-right: auto; }

footer {
  background: #f5f5f7;
  border-top: 1px solid var(--line);
  color: #4a4c52;
}
.footer-inner {
  width: min(1180px, calc(100% - 34px));
  margin: 0 auto;
  padding: 46px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 34px;
}
.footer-logo { display: block; font-weight: 800; color: var(--ink); margin-bottom: 12px; }
.footer-grid p, .footer-grid a { color: var(--muted); line-height: 1.6; }
.footer-grid h4 { color: var(--ink); margin: 0 0 12px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}

/* Dental tools */
.tool-hero {
  min-height: 62vh;
  display: grid;
  align-items: end;
  position: relative;
  overflow: hidden;
  color: #fff;
  background: #050607;
}
.tool-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,.72) 0%, rgba(0,0,0,.26) 52%, rgba(0,0,0,.08) 100%),
    url("https://images.unsplash.com/photo-1629909613654-28e377c37b09?w=1800&q=86") center / cover;
  transform: scale(1.02);
}
.tool-hero.visualizer::before { background-image: linear-gradient(90deg, rgba(0,0,0,.72), rgba(0,0,0,.2)), url("https://images.unsplash.com/photo-1609840114035-3c981b782dfe?w=1800&q=86"); }
.tool-hero.simulator::before { background-image: linear-gradient(90deg, rgba(0,0,0,.72), rgba(0,0,0,.2)), url("https://images.unsplash.com/photo-1629909615184-74f495363b67?w=1800&q=86"); }
.tool-hero .hero-content { padding: 116px 0 76px; }
.tool-grid { display: grid; grid-template-columns: minmax(0,1fr) 390px; gap: 18px; align-items: start; }
.tool-layout { display: grid; grid-template-columns: 360px minmax(0,1fr); gap: 18px; align-items: start; }
.tool-visual-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; align-items: start; }
.tool-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--shadow);
}
.tool-card h2 { margin: 0 0 16px; font-size: clamp(1.45rem, 3vw, 2.2rem); line-height: 1.05; }
.tool-card label { display: block; font-weight: 750; margin: 14px 0 7px; }
.tool-card select, .tool-card input:not([type="range"]) {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  font: inherit;
  background: #fff;
  color: var(--ink);
}
.tool-button {
  width: 100%;
  margin-top: 16px;
  min-height: 46px;
  border: 0;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.tool-button:hover { background: var(--blue-dark); }
.tool-result { font-size: clamp(2rem,5vw,3.4rem); font-weight: 740; color: var(--ink); line-height: 1; }
.tool-pill { display: inline-block; background: var(--soft); border: 1px solid var(--line); border-radius: 999px; padding: 8px 10px; margin: 5px 5px 0 0; font-size: 13px; font-weight: 700; color: var(--muted); }
.tool-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.tool-link { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 22px; box-shadow: var(--shadow); }
.tool-link strong { display: block; margin-bottom: 8px; }
.tool-link span { color: var(--muted); line-height: 1.5; }
.smile-stage { height: 330px; border-radius: 8px; background: linear-gradient(#f5f5f7,#fff); display: grid; place-items: center; position: relative; overflow: hidden; }
.mouth { width: min(620px,90%); height: 150px; background: #6f2830; border-radius: 14px 14px 90px 90px; display: flex; align-items: flex-start; justify-content: center; padding-top: 26px; gap: 4px; }
.tooth { width: 34px; height: 58px; background: var(--shade,#fbfaf2); border-radius: 7px 7px 16px 16px; box-shadow: inset 0 -8px 0 rgba(0,0,0,.06); transform: translateY(var(--align,0)) rotate(var(--rot,0deg)); }
.tool-controls { display: grid; gap: 14px; }
.tool-controls label { margin: 0; }
.tool-controls input[type="range"] { width: 100%; }
.tool-stat { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); padding: 10px 0; }
.tool-options button { width: 100%; text-align: left; background: var(--soft); border: 1px solid var(--line); border-radius: 8px; padding: 14px; margin: 7px 0; font: inherit; font-weight: 750; cursor: pointer; color: var(--ink); }
.tool-options button.active { background: var(--blue); color: #fff; }
.tool-timeline { display: grid; gap: 12px; }
.tool-step { border-left: 5px solid var(--blue); background: var(--panel); padding: 14px; border-radius: 6px; }
.tool-step strong { display: block; }

/* Website Build Studio growth cover page */
.cover-body { background: #fff; }
.cover-wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.cover-hero { padding: 108px 0 90px; background: linear-gradient(135deg, #fff 0%, #f5f5f7 50%, #eef7ff 100%); overflow: hidden; }
.cover-hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); gap: 54px; align-items: center; }
.cover-eyebrow { color: var(--blue); font-weight: 800; font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; margin: 0 0 14px; }
.cover-hero h1 { font-size: clamp(2.7rem, 6vw, 5.4rem); line-height: .98; margin: 0 0 24px; font-weight: 750; }
.cover-lede { font-size: 1.16rem; line-height: 1.65; max-width: 720px; color: var(--muted); }
.cover-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.cover-note { max-width: 620px; margin-top: 28px; color: var(--ink); font-weight: 750; }
.cover-snapshot { background: rgba(255,255,255,.88); border: 1px solid var(--line); border-radius: 18px; padding: 38px; box-shadow: 0 30px 80px rgba(0,0,0,.1); }
.cover-snapshot span { display: block; color: var(--blue); font-weight: 800; font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 12px; }
.cover-snapshot strong { display: block; font-size: clamp(1.75rem, 3vw, 2.65rem); line-height: 1.05; color: var(--ink); margin-bottom: 16px; }
.snapshot-list { display: grid; gap: 12px; margin-top: 24px; }
.snapshot-list div { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.snapshot-list b { width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: rgba(0,113,227,.12); color: var(--blue); }
.snapshot-list span { margin: 0; color: var(--ink); font-size: .95rem; letter-spacing: 0; text-transform: none; font-weight: 700; }
.cover-special { padding: 78px 0 84px; text-align: center; background: linear-gradient(180deg, #fff 0%, #f5f5f7 100%); }
.cover-special h2 { font-size: clamp(2.2rem, 5vw, 4.8rem); line-height: 1; margin: 0 auto 24px; max-width: 980px; font-weight: 750; }
.cover-special p { font-size: clamp(1.08rem, 1.7vw, 1.34rem); line-height: 1.58; max-width: 840px; margin: 0 auto; color: var(--muted); }
.cover-special strong { color: var(--ink); font-weight: 800; }
.cover-protection-section, .cover-section, .cover-chat-section, .cover-video-section { padding: 84px 0; background: #fff; }
.cover-soft, .cover-chat-section { background: linear-gradient(180deg, #f5f5f7 0%, #fff 100%); }
.protection-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 38px; }
.protection-grid div { background: linear-gradient(180deg, #fff 0%, #f5f5f7 100%); border: 1px solid var(--line); border-radius: 14px; padding: 28px; box-shadow: 0 14px 38px rgba(0,0,0,.05); }
.protection-grid span, .ai-flow span, .chat-flow span { display: flex; width: 44px; height: 44px; border-radius: 50%; align-items: center; justify-content: center; background: var(--blue); color: #fff; font-weight: 800; margin-bottom: 18px; }
.protection-grid h3 { font-size: 1.18rem; margin-bottom: 10px; }
.protection-grid p { font-size: .96rem; line-height: 1.58; color: var(--muted); }
.protection-line { max-width: 760px; margin: 32px auto 0; text-align: center; color: var(--ink); font-size: 1.18rem; font-weight: 750; }
.cover-two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(380px, 1fr); gap: 42px; align-items: start; }
.cover-two h2, .cover-section .center h2 { font-size: clamp(2rem, 4vw, 3.4rem); }
.roi-mini-stack { display: grid; gap: 16px; margin-top: 30px; }
.roi-mini-stack article { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 24px; box-shadow: 0 14px 38px rgba(0,0,0,.05); }
.roi-mini-stack article.roi-feature { border-color: rgba(0,113,227,.24); background: linear-gradient(180deg, #fff 0%, #f4f9ff 100%); box-shadow: 0 20px 55px rgba(0,113,227,.08); }
.roi-mini-stack article > span { display: block; color: var(--blue); font-weight: 800; font-size: .76rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 8px; }
.roi-mini-stack h3 { font-size: 1.45rem; margin-bottom: 4px; }
.roi-mini-stack div { display: flex; justify-content: space-between; gap: 18px; border-top: 1px solid var(--line); padding-top: 12px; margin-top: 12px; }
.roi-mini-stack div b { color: var(--muted); }
.roi-mini-stack div strong { font-size: 1.28rem; color: var(--ink); }
.cover-fine { font-size: .86rem; color: var(--muted); margin-top: 18px; }
.ai-card, .process-panel { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 34px; box-shadow: 0 20px 70px rgba(0,0,0,.07); }
.ai-card { background: linear-gradient(180deg, #fff 0%, #f4f9ff 100%); }
.ai-flow, .chat-flow { display: grid; gap: 14px; margin-top: 26px; }
.ai-flow div, .chat-flow div { display: grid; grid-template-columns: 54px 1fr; gap: 14px; align-items: start; background: rgba(255,255,255,.9); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.ai-flow p, .chat-flow p { color: var(--ink); font-weight: 650; margin: 0; }
.professional-line { margin-top: 24px; color: var(--ink); font-weight: 750; line-height: 1.55; }
.chat-backup-card { display: grid; grid-template-columns: minmax(0, 1fr) minmax(380px, 1fr); gap: 36px; align-items: start; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 44px; box-shadow: 0 30px 90px rgba(0,0,0,.07); }
.chat-backup-card h2, .video-feature-card h2 { font-size: clamp(2rem, 4.2vw, 3.55rem); line-height: 1.05; margin-bottom: 18px; }
.chat-backup-card p, .video-feature-card p { font-size: 1.04rem; line-height: 1.62; }
.chat-script { margin-top: 28px; background: linear-gradient(180deg, #f4f9ff 0%, #fff 100%); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.chat-script span { display: block; color: var(--blue); font-weight: 800; text-transform: uppercase; letter-spacing: .1em; font-size: .76rem; margin-bottom: 10px; }
.chat-script strong { display: block; color: var(--ink); font-size: 1.2rem; line-height: 1.45; margin-bottom: 10px; }
.cover-video-section { background: linear-gradient(135deg, #fff 0%, #f5f5f7 48%, #eef7ff 100%); }
.video-feature-card { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: 34px; align-items: center; background: rgba(255,255,255,.92); border: 1px solid var(--line); border-radius: 20px; padding: 44px; box-shadow: 0 30px 90px rgba(0,0,0,.07); }
.video-upsell { margin-top: 18px; color: var(--ink); font-weight: 750; }
.video-channel-card { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.video-channel-card span { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 18px 16px; text-align: center; color: var(--ink); font-weight: 800; box-shadow: 0 14px 38px rgba(0,0,0,.05); }
.cover-feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; margin-top: 44px; }
.cover-feature-grid div { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 24px; box-shadow: 0 14px 38px rgba(0,0,0,.05); }
.cover-feature-grid h3 { font-size: 1.08rem; margin-bottom: 10px; }
.cover-feature-grid p { font-size: .95rem; line-height: 1.55; color: var(--muted); }
.cover-steps { list-style: none; display: grid; gap: 18px; margin-top: 26px; padding: 0; }
.cover-steps li { display: grid; gap: 6px; border-bottom: 1px solid var(--line); padding-bottom: 18px; }
.cover-steps li:last-child { border-bottom: none; padding-bottom: 0; }
.cover-steps strong { font-size: 1.02rem; color: var(--ink); }
.cover-steps span { color: var(--muted); }
.need-list { display: grid; gap: 12px; margin-top: 24px; list-style: none; padding: 0; }
.need-list li { padding-left: 28px; position: relative; color: var(--ink); font-weight: 650; }
.need-list li::before { content: '✓'; position: absolute; left: 0; color: var(--blue); font-weight: 800; }
.cover-final { padding: 96px 0; background: linear-gradient(135deg, #000 0%, #072746 100%); text-align: center; }
.cover-final h2 { max-width: 920px; margin: 0 auto 18px; color: #fff; font-size: clamp(2.2rem, 4.5vw, 4.2rem); }
.cover-final p { max-width: 720px; margin: 0 auto; color: rgba(255,255,255,.78); font-size: 1.1rem; }
.cover-final .cover-eyebrow { color: #8ec5ff; }
.cover-final .cover-actions { justify-content: center; }

/* AI demo chat widget */
.chat-widget { position: fixed; left: 22px; bottom: 22px; z-index: 120; font-family: inherit; }
.chat-bubble { width: 64px; height: 64px; border: none; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 800; box-shadow: 0 18px 45px rgba(0,113,227,.25); cursor: pointer; }
.chat-panel { position: absolute; left: 0; bottom: 78px; width: min(360px, calc(100vw - 32px)); max-height: 620px; display: none; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 28px 80px rgba(0,0,0,.2); }
.chat-panel.open { display: block; }
.chat-header { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 16px 18px; background: linear-gradient(135deg, #000, var(--blue)); color: #fff; }
.chat-header strong { font-size: .96rem; color: #fff; }
.chat-header button { width: 30px; height: 30px; border: none; border-radius: 50%; background: rgba(255,255,255,.12); color: #fff; font-size: 1.2rem; cursor: pointer; }
.chat-messages { max-height: 390px; overflow: auto; padding: 18px; background: linear-gradient(180deg, #fff 0%, #f5f5f7 100%); }
.chat-msg { padding: 13px 14px; border-radius: 14px; font-size: .94rem; line-height: 1.45; }
.chat-msg.bot { background: #fff; border: 1px solid var(--line); color: var(--ink); margin-right: auto; max-width: 88%; margin-bottom: 10px; }
.chat-msg.user { margin-left: auto; background: var(--blue); color: #fff; max-width: 82%; margin-bottom: 10px; }
.demo-welcome-actions { display: grid; gap: 10px; margin-top: 14px; }
.demo-welcome-actions button { display: flex; align-items: center; justify-content: center; border-radius: 999px; padding: 11px 14px; font-weight: 750; text-align: center; border: 1px solid var(--line); cursor: pointer; font: inherit; background: #fff; color: var(--ink); }
.ai-live-note { font-size: .78rem; line-height: 1.35; color: var(--muted); padding: 0 18px 14px; background: #f5f5f7; }
.chat-form { display: flex; gap: 8px; padding: 12px; background: #fff; border-top: 1px solid var(--line); }
.chat-form input { min-width: 0; flex: 1; border: 1px solid var(--line); border-radius: 999px; padding: 11px 13px; font: inherit; }
.chat-form button { border: none; border-radius: 999px; background: var(--blue); color: #fff; font-weight: 750; padding: 0 16px; cursor: pointer; }

@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    top: 54px;
    left: 17px;
    right: 17px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.96);
    border-radius: 8px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px; }
  .tools-nav { padding: 14px; }
  .tools-nav > button { width: 100%; text-align: left; }
  .tools-menu { display: block; position: static; margin-top: 8px; box-shadow: none; background: var(--soft); }
  .menu-button { display: block; }
  .nav-cta { display: none; }
  .stats, .service-grid, .process, .review-grid, .pricing, .footer-grid { grid-template-columns: 1fr 1fr; }
  .tool-grid, .tool-layout, .tool-visual-grid, .tool-links { grid-template-columns: 1fr; }
  .split, .page-grid, .contact-wrap { grid-template-columns: 1fr; }
  .split-media { min-height: 440px; }
  .page-photo img { height: 430px; }
  .cover-hero-grid, .cover-two, .chat-backup-card, .video-feature-card { grid-template-columns: 1fr; }
  .protection-grid { grid-template-columns: 1fr; }
  .cover-snapshot { padding: 30px; }
  .cover-hero { padding: 84px 0 76px; }
  .cover-section { padding: 68px 0; }
}

@media (max-width: 620px) {
  .hero { min-height: 88vh; }
  .hero-content { padding-bottom: 56px; }
  .stats, .service-grid, .process, .review-grid, .pricing, .footer-grid { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .service-card { min-height: 390px; }
  .section { padding: 76px 0; }
  .headline-xl { font-size: clamp(3.3rem, 18vw, 5.2rem); }
  .actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .price-card.featured { transform: none; }
  .footer-bottom { flex-direction: column; }
  .cover-wrap { padding: 0 18px; }
  .cover-hero h1 { font-size: clamp(2.35rem, 12vw, 3.35rem); }
  .cover-actions .btn { width: 100%; justify-content: center; }
  .cover-special { padding: 58px 0 62px; }
  .cover-section, .cover-video-section, .cover-chat-section, .cover-protection-section { padding: 58px 0; }
  .video-feature-card, .chat-backup-card { padding: 26px; border-radius: 18px; }
  .video-channel-card { grid-template-columns: 1fr; }
  .ai-card, .process-panel { padding: 24px; border-radius: 18px; }
  .ai-flow div, .chat-flow div { grid-template-columns: 1fr; }
  .cover-feature-grid { grid-template-columns: 1fr; }
  .chat-widget { left: 16px; bottom: 18px; }
  .chat-bubble { width: 58px; height: 58px; }
  .chat-panel { bottom: 70px; }
  .smile-stage { height: 260px; }
  .mouth { width: 100%; height: 124px; gap: 2px !important; padding-top: 22px; }
  .tooth { width: clamp(21px, 6vw, 28px); height: 50px; }
}