:root {
  --bg: #080a0f;
  --bg-soft: #0d111a;
  --surface: #131824;
  --surface-2: #1a2030;
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.26);
  --text: #f4f7fb;
  --muted: #98a2b7;
  --muted-2: #748096;
  --green: #3ddc84;
  --green-dark: #042513;
  --blue: #5b8cff;
  --amber: #f0b35a;
  --radius: 22px;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  background:
    radial-gradient(1100px 650px at 12% -8%, rgba(91, 140, 255, 0.16), transparent 62%),
    radial-gradient(1000px 600px at 96% 8%, rgba(61, 220, 132, 0.08), transparent 58%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

h1 {
  font-family: "Archivo Black", sans-serif;
  font-weight: 400;
  font-size: clamp(3.2rem, 7.4vw, 6.6rem);
  line-height: 0.88;
  letter-spacing: -0.045em;
}

h1 span {
  color: var(--green);
}

h2 {
  font-family: "Archivo Black", sans-serif;
  font-weight: 400;
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  line-height: 0.96;
  letter-spacing: -0.035em;
}

h3 {
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--green);
  color: var(--green-dark);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.shell {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding-inline: clamp(1.2rem, 4vw, 3rem);
}

.section {
  padding-block: clamp(4.5rem, 10vw, 8rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(61, 220, 132, 0.12);
}

.section-heading {
  max-width: 720px;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-heading.center {
  margin-inline: auto;
  text-align: center;
}

.section-heading p:last-child,
.section-lede {
  margin-top: 1.1rem;
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.65;
}

.center .eyebrow {
  justify-content: center;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 50px;
  padding: 0.8rem 1.3rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.16s ease, background 0.16s ease,
    border-color 0.16s ease, box-shadow 0.16s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:focus-visible,
a:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 4px;
}

.btn-primary {
  background: var(--green);
  color: var(--green-dark);
  box-shadow: 0 14px 34px rgba(61, 220, 132, 0.2);
}

.btn-primary:hover {
  background: #5ce69a;
}

.btn-ghost {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(148, 163, 184, 0.45);
  background: rgba(255, 255, 255, 0.07);
}

.btn-small {
  min-height: 40px;
  padding: 0.55rem 1rem;
  font-size: 0.82rem;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid transparent;
  background: rgba(8, 10, 15, 0.7);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border-strong);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--green);
}

.brand-mark svg {
  width: 20px;
  height: 20px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-left: auto;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-nav a:hover {
  color: var(--text);
}

.header-cta {
  flex: 0 0 auto;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding-block: clamp(3.5rem, 8vw, 7rem) clamp(3rem, 6vw, 5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
}

.hero-copy {
  min-width: 0;
}

.hero-copy h1 {
  margin-bottom: 1.4rem;
  overflow-wrap: break-word;
}

.lede {
  max-width: 38rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.13rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.8rem;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.2rem;
  margin-top: 1.8rem;
  list-style: none;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.hero-points li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.hero-visual {
  position: relative;
  min-width: 0;
}

.hero-phone-stage {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 1rem 0 2rem;
}

.hero-phone-stage::before {
  content: "";
  position: absolute;
  inset: 12% 8%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 220, 132, 0.19), rgba(91, 140, 255, 0.08) 45%, transparent 72%);
  filter: blur(55px);
  pointer-events: none;
}

.hero-phone {
  position: relative;
  z-index: 1;
  width: min(310px, 70%);
  overflow: hidden;
  border: 10px solid #202636;
  border-radius: 48px;
  background: #05070b;
  box-shadow:
    0 40px 90px rgba(0, 0, 0, 0.58),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.hero-phone-screen {
  position: relative;
  line-height: 0;
}

.hero-phone-ui {
  display: block;
  width: 100%;
  height: auto;
}

.hero-phone-video {
  position: absolute;
  left: 15.3846%;
  top: 19.9196%;
  width: 69.2308%;
  height: 54.8571%;
  border-radius: 12px;
  background: #05070b;
  object-fit: cover;
}

.float-card {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  max-width: 220px;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: rgba(15, 19, 29, 0.92);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(14px);
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.35;
}

.float-card strong {
  display: block;
  margin-bottom: 0.08rem;
  color: var(--text);
  font-size: 0.8rem;
}

.float-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 10px;
  background: rgba(91, 140, 255, 0.12);
  color: #9db9ff;
}

.float-icon.green {
  background: rgba(61, 220, 132, 0.12);
  color: var(--green);
}

.float-icon svg {
  width: 17px;
  height: 17px;
}

.privacy-card {
  left: 0;
  bottom: 13%;
}

.save-card {
  right: 0;
  top: 15%;
}

/* ---------- Stats ---------- */

.stats-strip {
  border-block: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.018);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  padding: 1.4rem 1rem;
  text-align: center;
  border-left: 1px solid var(--border);
}

.stat:first-child {
  border-left: none;
}

.stat strong {
  display: block;
  font-family: "Archivo Black", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* ---------- Audience ---------- */

.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2.5vw, 1.6rem);
}

.audience-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.audience-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--surface-2);
}

.audience-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 10, 15, 0.72), transparent 55%);
  pointer-events: none;
}

.audience-media img,
.audience-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.audience-media.has-video {
  aspect-ratio: 4 / 5;
}

.audience-card:hover .audience-media img,
.audience-card:hover .audience-media video {
  transform: scale(1.025);
}

.audience-tag {
  position: absolute;
  left: 1.1rem;
  bottom: 1rem;
  z-index: 1;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(8, 10, 15, 0.64);
  color: var(--text);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  backdrop-filter: blur(8px);
}

.audience-body {
  padding: clamp(1.3rem, 3vw, 1.9rem);
}

.audience-body p {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

.check-list {
  display: grid;
  gap: 0.45rem;
  margin-top: 1.2rem;
  list-style: none;
  color: var(--muted);
  font-size: 0.84rem;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.check-list li::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  margin-top: 0.08rem;
  border-radius: 50%;
  background: rgba(61, 220, 132, 0.12);
  color: var(--green);
  font-size: 0.62rem;
  font-weight: 700;
}

/* ---------- How it works ---------- */

.how {
  position: relative;
  border-block: 1px solid var(--border);
  background:
    radial-gradient(700px 500px at 85% 50%, rgba(91, 140, 255, 0.09), transparent 65%),
    rgba(255, 255, 255, 0.012);
}

.how-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.75fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 6rem);
}

.how-copy .section-lede {
  max-width: 38rem;
}

.steps {
  display: grid;
  gap: 1.15rem;
  margin-top: 2rem;
  list-style: none;
}

.steps li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border);
}

.step-number {
  color: var(--green);
  font-family: "Archivo Black", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  padding-top: 0.14rem;
}

.steps h3 {
  font-size: 1.08rem;
}

.steps p {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.phone-stage {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 1.5rem 0;
}

.phone-glow {
  position: absolute;
  inset: 18% 12%;
  z-index: 0;
  border-radius: 50%;
  background: rgba(61, 220, 132, 0.14);
  filter: blur(70px);
}

.phone-frame {
  position: relative;
  z-index: 1;
  width: min(300px, 72vw);
  overflow: hidden;
  border: 9px solid #202636;
  border-radius: 44px;
  background: #05070b;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.phone-notch {
  position: absolute;
  top: 8px;
  left: 50%;
  z-index: 2;
  width: 74px;
  height: 20px;
  border-radius: 999px;
  background: #202636;
  transform: translateX(-50%);
}

.phone-frame img,
.phone-frame video {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- Privacy ---------- */

.privacy-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(1.4rem, 4vw, 3.2rem);
  border: 1px solid rgba(61, 220, 132, 0.22);
  border-radius: 30px;
  background:
    radial-gradient(700px 400px at 90% 20%, rgba(61, 220, 132, 0.08), transparent 65%),
    linear-gradient(145deg, rgba(20, 27, 39, 0.95), rgba(10, 13, 20, 0.95));
  box-shadow: var(--shadow);
}

.privacy-copy p {
  margin-top: 0.9rem;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.7;
}

.privacy-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.privacy-badges span {
  padding: 0.38rem 0.7rem;
  border: 1px solid rgba(61, 220, 132, 0.24);
  border-radius: 999px;
  background: rgba(61, 220, 132, 0.07);
  color: #a6f4c2;
  font-size: 0.7rem;
  font-weight: 700;
}

.privacy-diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem;
}

.diagram-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 132px;
  padding: 0.9rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
  text-align: center;
}

.hub-node {
  grid-column: 3;
  grid-row: 1;
  border-color: rgba(61, 220, 132, 0.28);
  background: rgba(61, 220, 132, 0.055);
}

.camera-node {
  grid-column: 1;
  grid-row: 1;
}

.phone-node {
  grid-column: 1 / -1;
  grid-row: 2;
  min-height: 100px;
}

.diagram-line {
  grid-column: 2;
  grid-row: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-strong), transparent);
}

.diagram-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 0.45rem;
  border-radius: 12px;
  background: rgba(91, 140, 255, 0.12);
  color: #9db9ff;
}

.diagram-icon.green {
  background: rgba(61, 220, 132, 0.12);
  color: var(--green);
}

.diagram-icon svg {
  width: 20px;
  height: 20px;
}

.diagram-node strong {
  font-size: 0.82rem;
}

.diagram-node small {
  margin-top: 0.1rem;
  color: var(--muted-2);
  font-size: 0.66rem;
}

.privacy-seal {
  grid-column: 1 / -1;
  grid-row: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.4rem;
  padding: 0.5rem 0.8rem;
  border: 1px dashed rgba(61, 220, 132, 0.28);
  border-radius: 999px;
  color: #a6f4c2;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.privacy-seal svg {
  width: 14px;
  height: 14px;
}

/* ---------- Features ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.feature {
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.018);
  transition: border-color 0.2s ease, background 0.2s ease,
    transform 0.2s ease;
}

.feature:hover {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.035);
  transform: translateY(-3px);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 1.1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(91, 140, 255, 0.08);
  color: #a8c0ff;
}

.feature:nth-child(2n) .feature-icon {
  background: rgba(61, 220, 132, 0.07);
  color: var(--green);
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

.feature h3 {
  font-size: 1.05rem;
}

.feature p {
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ---------- Contact ---------- */

.contact {
  padding-top: 0;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(250px, 0.75fr);
  align-items: center;
  gap: 2rem;
  padding: clamp(1.5rem, 5vw, 3.5rem);
  border: 1px solid var(--border-strong);
  border-radius: 30px;
  background:
    radial-gradient(700px 380px at 15% 15%, rgba(91, 140, 255, 0.16), transparent 65%),
    radial-gradient(500px 320px at 95% 90%, rgba(61, 220, 132, 0.09), transparent 65%),
    var(--surface);
}

.contact-panel p:not(.eyebrow) {
  max-width: 42rem;
  margin-top: 0.9rem;
  color: var(--muted);
}

.contact-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
}

.contact-actions .btn {
  width: 100%;
}

.contact-email {
  margin-top: 0.2rem;
  color: var(--muted-2);
  font-size: 0.76rem;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 1.7rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted-2);
  font-size: 0.76rem;
}

.footer-inner > p {
  margin-left: auto;
}

.footer-inner a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid rgba(152, 162, 183, 0.3);
}

.footer-inner a:hover {
  color: var(--text);
}

.footer-brand {
  color: var(--text);
  font-size: 0.9rem;
}

.footer-brand .brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
}

.footer-brand .brand-mark svg {
  width: 16px;
  height: 16px;
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .site-nav {
    display: none;
  }

  .header-inner {
    justify-content: space-between;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-visual {
    max-width: 760px;
    margin-inline: auto;
    width: 100%;
  }

  .privacy-card {
    left: 0.8rem;
  }

  .save-card {
    right: 0.8rem;
  }

  .how-grid {
    grid-template-columns: 1fr;
  }

  .phone-stage {
    order: -1;
    padding-bottom: 0;
  }

  .phone-frame {
    width: min(280px, 68vw);
  }

  .privacy-panel {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-panel {
    grid-template-columns: 1fr;
  }

  .contact-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .contact-actions .btn {
    width: auto;
  }
}

@media (max-width: 700px) {
  .hero {
    padding-top: 2.5rem;
  }

  h1 {
    font-size: clamp(2.35rem, 11vw, 3.8rem);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat:nth-child(3) {
    border-left: none;
  }

  .stat:nth-child(n + 3) {
    border-top: 1px solid var(--border);
  }

  .audience-grid {
    grid-template-columns: 1fr;
  }

  .hero-phone {
    width: min(280px, 76%);
  }

  .hero-visual .float-card {
    display: none;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    align-items: flex-start;
  }

  .footer-inner > p {
    flex-basis: 100%;
    margin-left: 0;
    order: 3;
  }
}

@media (max-width: 520px) {
  .header-cta {
    display: none;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .hero-points {
    display: grid;
    gap: 0.5rem;
  }

  .privacy-diagram {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .camera-node,
  .hub-node,
  .phone-node {
    grid-column: 1;
    grid-row: auto;
    min-height: 96px;
  }

  .diagram-line {
    display: none;
  }

  .privacy-seal {
    grid-column: 1;
    grid-row: auto;
  }

  .contact-actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
