:root {
  color-scheme: dark;
  --bg: #07090c;
  --panel: rgba(8, 13, 18, 0.78);
  --panel-strong: #111820;
  --text: #f6f8fb;
  --muted: #afbdc8;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #d7b24a;
  --accent-2: #ffe9a6;
  --accent-3: #62f0ff;
  --shadow: rgba(0, 0, 0, 0.48);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

body[data-theme="day"] {
  color-scheme: light;
  --bg: #d9dde3;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-strong: #ffffff;
  --text: #0b0d10;
  --muted: #454b55;
  --line: rgba(18, 28, 36, 0.16);
  --accent: #3b89a8;
  --accent-2: #f0d27b;
  --accent-3: #0f6f88;
  --shadow: rgba(27, 47, 60, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  height: 68px;
  padding: 0 clamp(18px, 4vw, 56px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand,
.site-header nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 36px;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  object-fit: cover;
  box-shadow: 0 10px 28px color-mix(in srgb, var(--accent) 18%, transparent);
}

.site-header nav {
  gap: clamp(12px, 2.3vw, 26px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.site-header nav a {
  text-decoration: none;
}

.hero {
  position: relative;
  min-height: calc(100svh - 34px);
  overflow: hidden;
  padding-top: 68px;
}

.hero-art,
.hero-scrim {
  position: absolute;
  inset: 0;
}

.hero-art {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.04) contrast(1.06);
}

.hero-scrim {
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--bg) 92%, transparent), transparent 62%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 22%, transparent), var(--bg) 98%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(280px, 0.68fr);
  align-items: center;
  gap: clamp(24px, 5vw, 80px);
  width: min(1180px, calc(100% - 36px));
  min-height: calc(100svh - 102px);
  margin: 0 auto;
  padding: clamp(36px, 8vh, 76px) 0 52px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(60px, 13vw, 150px);
  line-height: 0.86;
  letter-spacing: 0;
  text-transform: uppercase;
}

h2 {
  margin: 0;
  font-size: clamp(32px, 5vw, 68px);
  line-height: 0.98;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.05;
}

.hero-lede {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.48;
  font-weight: 650;
}

.hero-actions,
.signup-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 850;
  cursor: pointer;
}

.button svg,
.feature svg,
.icon-button svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.4;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #050608;
  border-color: transparent;
  box-shadow: 0 16px 44px color-mix(in srgb, var(--accent) 28%, transparent);
}

.button.secondary {
  background: color-mix(in srgb, var(--panel) 86%, transparent);
  color: var(--text);
  backdrop-filter: blur(12px);
}

.phone-stage {
  display: flex;
  justify-content: center;
  perspective: 900px;
}

.phone {
  position: relative;
  width: min(312px, 78vw);
  aspect-ratio: 0.52;
  padding: 12px;
  background: #080b0f;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 38px;
  box-shadow: 0 28px 80px var(--shadow);
  transform: rotateY(-10deg) rotateX(4deg);
}

.phone::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 50%;
  width: 86px;
  height: 22px;
  transform: translateX(-50%);
  border-radius: 0 0 14px 14px;
  background: #080b0f;
  z-index: 3;
}

.phone img {
  width: 100%;
  height: 100%;
  border-radius: 28px;
  object-fit: cover;
}

.hero-poster {
  display: flex;
  justify-content: center;
}

.hero-poster img {
  display: block;
  width: min(420px, 72vw);
  max-height: calc(100svh - 126px);
  object-fit: contain;
  border: 1px solid var(--line);
  box-shadow: 0 26px 80px var(--shadow);
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(62px, 10vw, 114px) 0;
}

.section-tight {
  padding-top: 44px;
}

.hook-section {
  border-top: 1px solid var(--line);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(280px, 1fr);
  gap: clamp(20px, 4vw, 58px);
  align-items: end;
  margin-bottom: 28px;
}

.skin-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.56fr);
  gap: clamp(28px, 5vw, 78px);
  align-items: center;
  margin-bottom: 30px;
}

.skin-copy p:not(.eyebrow) {
  max-width: 610px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.skin-layout .phone-stage {
  justify-content: flex-end;
}

.skin-layout .phone {
  width: min(286px, 72vw);
}

.hook-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.hook {
  min-height: 270px;
  padding: 22px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  box-shadow: 0 18px 50px var(--shadow);
}

.hook svg {
  width: 28px;
  height: 28px;
  color: var(--accent);
  stroke-width: 2.3;
}

.hook h3 {
  margin-top: 28px;
}

.hook p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.concept {
  position: relative;
  display: grid;
  grid-template-columns: 42% minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 226px;
  padding: 14px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  box-shadow: 0 18px 50px var(--shadow);
}

.concept.is-active {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.concept img {
  width: 100%;
  aspect-ratio: 0.78;
  object-fit: cover;
}

.concept p,
.feature-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.concept p {
  max-width: 32ch;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 42px;
  aspect-ratio: 1;
  margin-top: 18px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 84%, transparent);
  color: var(--text);
  cursor: pointer;
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.72fr);
  gap: clamp(28px, 5vw, 78px);
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-copy p {
  max-width: 620px;
  margin-top: 20px;
  font-size: 18px;
}

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

.feature {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 62px;
  padding: 0 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  font-weight: 800;
  backdrop-filter: blur(12px);
}

.feature svg {
  color: var(--accent-2);
  flex: 0 0 auto;
}

.signup {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.72fr);
  gap: clamp(22px, 5vw, 70px);
  align-items: center;
}

.signup-form {
  padding: 18px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.signup-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.signup-row {
  flex-wrap: nowrap;
}

.signup-row input {
  min-width: 0;
  flex: 1;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  color: var(--text);
}

.form-status {
  min-height: 22px;
  margin: 10px 0 0;
  color: var(--accent-3);
  font-size: 13px;
  font-weight: 800;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 22px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

@media (max-width: 860px) {
  .site-header {
    height: 60px;
  }

  .site-header nav {
    gap: 12px;
    font-size: 13px;
  }

  .hero {
    padding-top: 60px;
  }

  .hero-inner,
  .section-head,
  .feature-band,
  .skin-layout,
  .hook-grid,
  .signup {
    grid-template-columns: 1fr;
  }

  .hook {
    min-height: 0;
  }

  .hero-inner {
    min-height: auto;
    padding-top: 34px;
  }

  .hero-poster {
    justify-content: flex-start;
  }

  .hero-poster img {
    width: min(100%, 360px);
    max-height: none;
  }

  .skin-layout .phone-stage {
    justify-content: flex-start;
  }

  .phone {
    width: min(250px, 72vw);
    transform: none;
  }

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

  .section-tight {
    padding-top: 34px;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding-inline: 14px;
  }

  .brand span:last-child {
    display: none;
  }

  .site-header nav {
    flex: 1;
    justify-content: flex-end;
  }

  .hero {
    min-height: calc(100svh - 34px);
  }

  .hero-inner,
  .section,
  .skin-layout {
    width: min(100% - 28px, 1180px);
  }

  .hero-inner {
    min-height: calc(100svh - 94px);
    padding-top: 26px;
    padding-bottom: 30px;
    align-content: center;
    gap: 18px;
  }

  h1 {
    font-size: clamp(52px, 18vw, 70px);
  }

  .hero-lede {
    margin-top: 18px;
    font-size: 16px;
    line-height: 1.38;
  }

  .hero-actions {
    margin-top: 24px;
  }

  .button {
    width: 100%;
  }

  .hero-poster {
    margin-top: 4px;
  }

  .hero-poster img {
    width: min(52vw, 200px);
  }

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

  .concept img {
    aspect-ratio: 1.55;
  }

  .signup-row {
    flex-direction: column;
  }

  .footer {
    flex-direction: column;
  }
}
