/* Multi-Monitor Screensaver — own product identity (not a Microsoft clone) */
:root {
  --bg: #f7f4ef;
  --bg-card: #ffffff;
  --ink: #141820;
  --ink-dim: #4d5563;
  --ink-mute: #7a8290;
  --line: rgba(20, 24, 32, 0.1);
  --teal: #0d9488;
  --teal-deep: #0f766e;
  --night: #0c1220;
  --aurora: #2dd4bf;
  --font: "Plus Jakarta Sans", "Segoe UI", system-ui, sans-serif;
  --display: "Fraunces", Georgia, serif;
  --max: 1120px;
  --radius: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--teal);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1.25rem, 4vw, 2.5rem);
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  flex-wrap: wrap;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  min-width: 0;
}

.brand-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: min(52vw, 220px);
}

.nav-brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  font: inherit;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  font-size: 0.9rem;
  color: var(--ink-dim);
}

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

.lang {
  color: var(--teal-deep);
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.15s var(--ease), background 0.15s, color 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--night);
  color: #fff;
}

.btn-primary:hover {
  background: #1a2438;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--ink);
}

.btn-teal {
  background: var(--teal);
  color: #fff;
}

.btn-teal:hover {
  background: var(--teal-deep);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

/* Hero: asymmetric, own brand */
.hero {
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1.25rem, 4vw, 2.5rem) 3rem;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
}

.hero-copy {
  padding-bottom: 1rem;
}

.eyebrow {
  margin: 0 0 0.9rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-deep);
  font-weight: 700;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-weight: 560;
  font-size: clamp(2.15rem, 7vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 14ch;
}

.hero h1 em {
  font-style: italic;
  color: var(--teal-deep);
}

.hero .lede {
  margin: 0 0 1.5rem;
  color: var(--ink-dim);
  font-size: clamp(1rem, 2.6vw, 1.08rem);
  max-width: 32rem;
}

.cta-row .btn {
  width: auto;
}

.store-badge {
  max-width: 100%;
  flex-wrap: wrap;
}

.story-band {
  padding-top: 0;
}

.hero-visual {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(12, 18, 32, 0.18);
  background: var(--night);
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 0.5rem;
  }

  .hero h1 {
    max-width: none;
  }

  .hero-copy {
    padding-bottom: 0;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.35rem 0 0.5rem;
    border-top: 1px solid var(--line);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 0.75rem 0.15rem;
    border-bottom: 1px solid var(--line);
  }

  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-row .btn {
    width: 100%;
    text-align: center;
  }

  .close .cta-row {
    align-items: stretch;
  }

  .band h2 {
    max-width: none;
  }

  .step {
    grid-template-columns: 3rem 1fr;
    gap: 0.75rem;
  }
}

.band {
  padding: clamp(3rem, 7vw, 5rem) clamp(1.25rem, 4vw, 2.5rem);
}

.inner {
  max-width: var(--max);
  margin: 0 auto;
}

.band-night {
  background: var(--night);
  color: #f4f1ea;
}

.band-night .lede,
.band-night p,
.band-night .section-lede {
  color: rgba(244, 241, 234, 0.72);
}

.kicker {
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-deep);
  font-weight: 700;
}

.band-night .kicker {
  color: var(--aurora);
}

.band h2 {
  margin: 0 0 0.85rem;
  font-family: var(--display);
  font-weight: 560;
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  letter-spacing: -0.03em;
  line-height: 1.12;
  max-width: 18ch;
}

.section-lede {
  margin: 0 0 2rem;
  color: var(--ink-dim);
  max-width: 40rem;
}

/* Tip cards — unique value, not Store mirror */
.tips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.tip {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.3rem;
}

.tip .n {
  font-family: var(--display);
  font-style: italic;
  color: var(--teal);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.tip h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.tip p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.95rem;
}

@media (max-width: 800px) {
  .tips {
    grid-template-columns: 1fr;
  }
}

/* Story split */
.story {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.story figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--night);
}

.story figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.story ul {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.story li {
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink-dim);
}

.story li strong {
  display: block;
  color: var(--ink);
  margin-bottom: 0.15rem;
}

@media (max-width: 800px) {
  .story {
    grid-template-columns: 1fr;
  }
}

/* Modes — horizontal mosaic, not MS product cards */
.mosaic {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 0.85rem;
}

.mosaic .tile {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 220px;
  background: var(--night);
  color: #fff;
}

.mosaic .tile.wide {
  grid-row: span 2;
  min-height: 460px;
}

.mosaic .tile img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.mosaic .tile .cap {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.2rem;
  background: linear-gradient(180deg, transparent 30%, rgba(12, 18, 32, 0.88));
}

.mosaic .tile h3 {
  margin: 0 0 0.25rem;
  font-family: var(--display);
  font-size: 1.35rem;
}

.mosaic .tile p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

@media (max-width: 800px) {
  .mosaic {
    grid-template-columns: 1fr;
  }
  .mosaic .tile.wide {
    grid-row: auto;
    min-height: 280px;
  }
}

/* Setup steps */
.steps {
  display: grid;
  gap: 0;
  counter-reset: step;
}

.step {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.step:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--display);
  font-size: 1.4rem;
  color: var(--aurora);
}

.step h3 {
  margin: 0 0 0.3rem;
  font-size: 1.15rem;
}

.step p {
  margin: 0;
}

/* FAQ */
.faq details {
  border-top: 1px solid var(--line);
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 1.08rem;
  padding: 1.05rem 2rem 1.05rem 0;
  position: relative;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 1.05rem;
  color: var(--teal);
}

.faq details[open] summary::after {
  content: "–";
}

.faq details p {
  margin: 0 0 1.1rem;
  color: var(--ink-dim);
  max-width: 40rem;
}

/* Close */
.close {
  text-align: center;
  padding-bottom: 4rem;
}

.close h2 {
  margin-left: auto;
  margin-right: auto;
  max-width: 16ch;
}

.close .section-lede {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.close .cta-row {
  justify-content: center;
}

.note {
  margin-top: 1.25rem;
  font-size: 0.88rem;
  color: var(--ink-mute);
}

.footer {
  border-top: 1px solid var(--line);
  padding: 1.75rem clamp(1.25rem, 4vw, 2.5rem) 2.5rem;
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  color: var(--ink-mute);
  font-size: 0.85rem;
}

.footer a:hover {
  color: var(--teal-deep);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.35rem;
}

.legal {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2.5rem clamp(1.25rem, 4vw, 2.5rem) 4rem;
}

.legal h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 2.6rem);
}

.legal h2 {
  font-size: 1.15rem;
  margin-top: 2rem;
}

.legal p,
.legal li {
  color: var(--ink-dim);
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1rem;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  background: rgba(13, 148, 136, 0.1);
  color: var(--teal-deep);
  font-size: 0.85rem;
  font-weight: 600;
}

.store-badge img {
  width: 22px;
  height: 22px;
  border-radius: 6px;
}