:root {
  --bg: #08130f;
  --surface: #101f18;
  --surface-2: #182b21;
  --text: #f4fff7;
  --muted: #b7c8bd;
  --line: rgba(255, 255, 255, 0.13);
  --accent: #f4c84b;
  --accent-2: #22c36a;
  --ink: #12160f;
  --radius: 18px;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 12%, rgba(34, 195, 106, 0.18), transparent 34rem),
    radial-gradient(circle at 78% 8%, rgba(244, 200, 75, 0.16), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 19, 15, 0.86);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.trust-row {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
}

.brand img,
.site-footer img {
  border-radius: 14px;
  box-shadow: 0 8px 28px rgba(244, 200, 75, 0.22);
}

.nav-links {
  gap: 26px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

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

.header-cta,
.primary-cta,
.secondary-cta,
.inline-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  font-weight: 900;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.header-cta {
  padding: 0 22px;
  background: var(--accent);
  color: var(--ink);
}

.header-cta:hover,
.primary-cta:hover,
.inline-cta:hover {
  transform: translateY(-2px);
}

.header-cta:active,
.primary-cta:active,
.secondary-cta:active,
.inline-cta:active {
  transform: translateY(1px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  min-height: calc(100dvh - 72px);
  padding: clamp(34px, 5vw, 76px) clamp(18px, 5vw, 80px) 48px;
  overflow: hidden;
}

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

.eyebrow,
.panel-label {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 12ch;
  margin-bottom: 20px;
  font-size: clamp(48px, 7vw, 92px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-text {
  max-width: 620px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
}

.primary-cta {
  min-width: 250px;
  padding: 0 30px;
  background: linear-gradient(135deg, var(--accent), #ffe58d);
  color: var(--ink);
  box-shadow: 0 18px 44px rgba(244, 200, 75, 0.28);
}

.primary-cta.dark {
  background: var(--bg);
  color: var(--text);
  box-shadow: none;
}

.secondary-cta {
  min-width: 170px;
  padding: 0 24px;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.trust-row {
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.trust-row span {
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.hero-visual {
  position: relative;
  min-height: 670px;
}

.phone {
  overflow: hidden;
  width: min(320px, 72vw);
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 34px;
  background: linear-gradient(160deg, #223629, #07100c 54%, #203326);
  box-shadow: var(--shadow);
}

.phone img {
  width: 100%;
  height: auto;
  aspect-ratio: 472 / 1024;
  object-fit: contain;
  border-radius: 25px;
}

.phone-main {
  position: absolute;
  right: 5%;
  top: 12px;
  width: min(370px, 76vw);
  transform: rotate(4deg);
}

.phone-back {
  position: absolute;
  left: 1%;
  top: 128px;
  width: min(292px, 58vw);
  opacity: 0.88;
  transform: rotate(-10deg);
}

.download-card {
  position: absolute;
  right: 0;
  bottom: 54px;
  width: min(285px, 86vw);
  padding: 20px;
  border: 1px solid rgba(244, 200, 75, 0.34);
  border-radius: var(--radius);
  background: rgba(244, 200, 75, 0.94);
  color: var(--ink);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
}

.download-card strong {
  display: block;
  font-size: 24px;
  line-height: 1.1;
}

.download-card span {
  display: block;
  margin-top: 5px;
  font-weight: 700;
}

.quick-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 clamp(18px, 5vw, 80px) 76px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.quick-panel div {
  padding: clamp(22px, 3vw, 34px);
  background: rgba(16, 31, 24, 0.94);
}

.quick-panel strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.05;
}

.quick-panel p,
.section-copy p,
.screen-card p,
.faq-list p,
.site-footer p,
.conversion-band p {
  color: var(--muted);
}

.install-section,
.faq-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(26px, 5vw, 76px);
  padding: 84px clamp(18px, 5vw, 80px);
}

.section-copy h2,
.conversion-band h2 {
  max-width: 11ch;
  margin-bottom: 14px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

.section-copy p {
  max-width: 620px;
  font-size: 18px;
}

.inline-cta {
  margin-top: 14px;
  padding: 0 24px;
  background: var(--accent-2);
  color: #03120a;
}

.steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li,
.faq-list details,
.screen-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 31, 24, 0.72);
}

.steps li {
  padding: 22px;
  color: var(--muted);
}

.steps span {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-size: 21px;
  font-weight: 900;
}

.screens-section {
  padding: 84px clamp(18px, 5vw, 80px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0));
}

.centered {
  max-width: 760px;
  margin: 0 auto 38px;
  text-align: center;
}

.centered h2 {
  max-width: none;
}

.screen-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
  gap: 22px;
}

.screen-card {
  padding: 22px;
}

.screen-card.featured {
  background: linear-gradient(180deg, rgba(34, 195, 106, 0.18), rgba(16, 31, 24, 0.72));
}

.screen-card .phone {
  width: min(310px, 100%);
  margin: 0 auto 22px;
}

.screen-card.featured .phone {
  width: min(350px, 100%);
}

.screen-card h3 {
  margin-bottom: 8px;
  font-size: 24px;
}

.conversion-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin: 42px clamp(18px, 5vw, 80px);
  padding: clamp(28px, 5vw, 52px);
  border-radius: calc(var(--radius) + 8px);
  background: linear-gradient(135deg, var(--accent), #22c36a);
  color: var(--ink);
}

.conversion-band h2 {
  max-width: 14ch;
}

.conversion-band p {
  margin-bottom: 0;
  color: rgba(18, 22, 15, 0.78);
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 20px 22px;
}

.faq-list summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 900;
}

.faq-list p {
  margin: 12px 0 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 34px 18px 96px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.site-footer p {
  max-width: 620px;
  margin: 0;
}

.sticky-download {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  display: none;
  min-height: 54px;
  padding: 0 22px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--accent);
  color: var(--ink);
  font-weight: 950;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.36);
}

@media (prefers-reduced-motion: no-preference) {
  .phone-main {
    animation: float-main 5.8s ease-in-out infinite;
  }

  .phone-back {
    animation: float-back 6.4s ease-in-out infinite;
  }

  .download-card {
    animation: card-pulse 2.8s ease-in-out infinite;
  }
}

@keyframes float-main {
  0%,
  100% {
    transform: translateY(0) rotate(4deg);
  }
  50% {
    transform: translateY(-14px) rotate(2deg);
  }
}

@keyframes float-back {
  0%,
  100% {
    transform: translateY(0) rotate(-10deg);
  }
  50% {
    transform: translateY(12px) rotate(-8deg);
  }
}

@keyframes card-pulse {
  0%,
  100% {
    transform: translateY(0);
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
  }
  50% {
    transform: translateY(-5px);
    box-shadow: 0 28px 72px rgba(244, 200, 75, 0.22);
  }
}

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

  .hero,
  .install-section,
  .faq-section {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 34px;
  }

  .hero-copy {
    max-width: none;
  }

  h1 {
    max-width: 11ch;
    font-size: clamp(46px, 14vw, 72px);
  }

  .hero-visual {
    min-height: 620px;
  }

  .quick-panel,
  .screen-grid {
    grid-template-columns: 1fr;
  }

  .screen-card,
  .screen-card.featured {
    display: grid;
    grid-template-columns: minmax(240px, 320px) 1fr;
    align-items: center;
    gap: 20px;
  }

  .screen-card .phone,
  .screen-card.featured .phone {
    width: min(320px, 100%);
    margin: 0;
  }

  .conversion-band {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 64px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-bottom: 26px;
  }

  .hero-actions .primary-cta,
  .hero-actions .secondary-cta,
  .conversion-band .primary-cta {
    width: 100%;
  }

  .hero-visual {
    min-height: 520px;
  }

  .phone-main {
    right: 0;
    width: min(300px, 74vw);
  }

  .phone-back {
    left: 0;
    top: 112px;
    width: min(230px, 56vw);
  }

  .download-card {
    right: 0;
    bottom: 24px;
  }

  .quick-panel {
    margin-bottom: 32px;
  }

  .install-section,
  .screens-section,
  .faq-section {
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .screen-card,
  .screen-card.featured {
    display: block;
  }

  .screen-card .phone,
  .screen-card.featured .phone {
    width: min(315px, 100%);
    margin: 0 auto 20px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    text-align: left;
  }

  .sticky-download {
    left: 18px;
    display: flex;
  }
}
