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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  background: #f5f2ed;
  color: #1d1d1f;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Header ── */
header {
  background: rgba(35, 47, 62, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: #fff;
  padding: 0.7rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

nav {
  max-width: 1060px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: #f5f2ed;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.6rem;
  align-items: center;
}

nav a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: 0.82rem;
  transition: color 0.25s;
  cursor: pointer;
  letter-spacing: 0.3px;
}

nav a:hover { color: #fff; }

nav a.cta {
  background: #ff9900;
  color: #232f3e;
  padding: 0.35rem 1.2rem;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0;
  transition: background 0.25s, transform 0.25s;
}

nav a.cta:hover { background: #ffad33; transform: scale(1.04); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
  padding: 0 0.3rem;
}

/* ── Hero ── */
.hero {
  max-width: 1060px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 3.5rem;
  min-height: calc(100vh - 80px);
}

.hero-text { flex: 1; }

.hero-label {
  display: inline-block;
  background: #232f3e;
  color: #ff9900;
  padding: 0.2rem 0.9rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero-text h1 {
  font-size: 3.4rem;
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -1.5px;
  margin-bottom: 1rem;
  color: #1d1d1f;
}

.hero-text > p {
  font-size: 1.05rem;
  color: #6e6e73;
  margin-bottom: 1.8rem;
  max-width: 440px;
  line-height: 1.6;
  letter-spacing: 0.2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #232f3e;
  color: #fff;
  padding: 0.7rem 2rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
  cursor: pointer;
}

.btn:hover {
  background: #1a2530;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(35, 47, 62, 0.25);
}

.btn span { font-size: 1.1rem; transition: transform 0.25s; }
.btn:hover span { transform: translateX(4px); }

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.8rem;
}

.hero-tags span {
  background: #e8e3dd;
  padding: 0.2rem 0.8rem;
  border-radius: 30px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #555;
  letter-spacing: 0.2px;
}

/* ── Kindle Device ── */
.hero-img {
  flex-shrink: 0;
  perspective: 1200px;
}

.device {
  width: 330px;
  height: 480px;
  background: linear-gradient(160deg, #252525 0%, #1a1a1a 40%, #222 100%);
  border-radius: 32px;
  padding: 18px;
  box-shadow:
    0 40px 90px rgba(0,0,0,0.3),
    0 0 0 1px rgba(255,255,255,0.07) inset,
    0 1px 0 rgba(255,255,255,0.05) inset;
  position: relative;
  transform: rotateY(-4deg) rotateX(2deg);
  transition: transform 0.6s ease;
}

.device:hover { transform: rotateY(-2deg) rotateX(1deg); }

.device::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, transparent 50%, rgba(0,0,0,0.15) 100%);
  pointer-events: none;
  z-index: 1;
}

.device-bezel {
  width: 100%;
  height: 100%;
  background: #1e1e1e;
  border-radius: 18px;
  padding: 6px 6px 5px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.04) inset;
  position: relative;
  z-index: 2;
}

.device-camera {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: #222;
  position: absolute;
  top: 12px; left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 2px rgba(0,0,0,0.5);
  z-index: 3;
}

/* Screen */
.device-screen {
  flex: 1;
  background: #f3efe8;
  border-radius: 4px;
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 11.5px;
  line-height: 1.5;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: inset 0 1px 4px rgba(0,0,0,0.06);
  background-image:
    radial-gradient(ellipse 100% 50% at 50% 0%, rgba(255,255,240,0.5) 0%, transparent 70%);
}

.screen-top {
  display: flex;
  justify-content: space-between;
  padding: 5px 8px 2px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 8px;
  color: #777;
  letter-spacing: 0.3px;
}

.screen-header {
  text-align: center;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #999;
  padding: 1px 0 4px;
  border-bottom: 1px solid #e0d8ce;
  margin: 0 8px 2px;
}

/* Slides */
.slide {
  display: none;
  padding: 4px 10px 6px;
  flex-direction: column;
  flex: 1;
  position: relative;
  animation: turn 0.4s ease;
}

@keyframes turn {
  0% { opacity: 0.4; clip-path: inset(0 8% 0 0); }
  100% { opacity: 1; clip-path: inset(0 0 0 0); }
}

.slide.active { display: flex; }

.badge {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 7.5px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #b07030;
  text-align: center;
}

.badge.red {
  position: absolute;
  top: 6px;
  right: -2px;
  background: #dc2626;
  color: #fff;
  font-size: 7px;
  letter-spacing: 1px;
  padding: 2px 8px 2px 10px;
  border-radius: 0 0 0 6px;
  box-shadow: 0 2px 6px rgba(220,38,38,0.3);
  z-index: 10;
}

.slide h4 {
  font-size: 15px;
  font-weight: 800;
  text-align: center;
  letter-spacing: -0.2px;
  color: #1a1a1a;
}

.sub {
  text-align: center;
  color: #aaa;
  font-size: 8px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  margin-bottom: 4px;
  letter-spacing: 0.4px;
}

.specs { flex: 1; display: flex; flex-direction: column; gap: 0; }

.r {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5px 0;
  border-bottom: 1px solid #e5ddd0;
  font-size: 10px;
  line-height: 1.3;
}

.r:last-of-type { border-bottom: none; }

.r span {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 7.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #999;
}

.r b { font-weight: 600; font-size: 10px; color: #2a2a2a; }

.swatches {
  display: flex;
  gap: 4px;
  justify-content: center;
  padding: 2px 0 1px;
}

.sw {
  width: 9px; height: 9px;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.08);
}

.colorbar {
  display: flex;
  gap: 2px;
  justify-content: center;
  padding: 1px 0;
}

.colorbar span {
  width: 7px; height: 7px;
  border-radius: 1.5px;
  display: inline-block;
  box-shadow: 0 0 0 0.5px rgba(0,0,0,0.06);
}

.buy {
  display: block;
  text-align: center;
  background: #ff9900;
  color: #232f3e;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 700;
  font-size: 9.5px;
  padding: 4px 0;
  margin-top: 3px;
  border-radius: 20px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
  letter-spacing: 0.2px;
}

.buy:hover { background: #ffad33; transform: scale(1.03); }

/* Arrows */
.arr {
  position: absolute;
  top: 54%;
  transform: translateY(-50%);
  z-index: 20;
  background: rgba(0,0,0,0.06);
  border: none;
  font-size: 18px;
  width: 26px;
  height: 52px;
  cursor: pointer;
  color: rgba(0,0,0,0.35);
  transition: all 0.25s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-family: 'Georgia', 'Times New Roman', serif;
  font-weight: 700;
}

.arr:hover { color: #000; background: rgba(0,0,0,0.14); }
.arr:active { background: rgba(0,0,0,0.2); }
.arr-left { left: 0; border-radius: 0 6px 6px 0; }
.arr-right { right: 0; border-radius: 6px 0 0 6px; }

/* Screen footer */
.screen-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #777;
  font-size: 8px;
  padding: 3px 8px 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  border-top: 1px solid #e0d8ce;
  margin: 0 0 0;
  letter-spacing: 0.3px;
}

.prog { letter-spacing: 1px; }

/* ── Section Dividers ── */
.section-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, #ddd, transparent);
  margin: 0 auto;
  max-width: 900px;
}

/* ── Featured Product (Kindle Clean) ── */
.featured {
  padding: 4rem 0;
  background: linear-gradient(180deg, #f5f2ed 0%, #fff 100%);
}

.featured-badge {
  text-align: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: #dc2626;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.featured-main { padding-right: 1rem; }

.featured-label {
  display: inline-block;
  background: #dc2626;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 1rem;
  border-radius: 30px;
  letter-spacing: 1px;
  margin-bottom: 0.8rem;
}

.featured-main h2 {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 0.3rem;
  text-align: left;
}

.featured-sub {
  font-size: 1.1rem;
  color: #555;
  margin-bottom: 1rem;
  font-weight: 500;
}

.featured-desc {
  font-size: 0.92rem;
  color: #6e6e73;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.featured-specs-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid #e8e3dd;
  border-radius: 12px;
  overflow: hidden;
}

.fs-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid #f0ece6;
  font-size: 0.85rem;
  background: #fff;
}

.fs-item:last-child { border-bottom: none; }

.fs-item span { color: #888; font-weight: 500; }
.fs-item b { color: #1a1a1a; font-weight: 600; }

.featured-side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.featured-card {
  background: #fff;
  padding: 1.4rem 1.5rem;
  border-radius: 14px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  border: 1px solid #f0ece6;
}

.featured-card.highlight {
  background: #232f3e;
  border-color: #232f3e;
  color: #fff;
  text-align: center;
}

.featured-card.highlight p { color: rgba(255,255,255,0.7); }
.featured-card.highlight .fc-price { color: #ff9900; }

.fc-icon { font-size: 1.6rem; margin-bottom: 0.3rem; }

.featured-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.featured-card p {
  font-size: 0.85rem;
  color: #6e6e73;
  line-height: 1.6;
}

.fc-price {
  font-size: 2rem;
  font-weight: 800;
  color: #ff9900;
  margin: 0.3rem 0;
}

.btn-small {
  display: inline-block;
  background: #ff9900;
  color: #232f3e;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.5rem 1.5rem;
  border-radius: 30px;
  text-decoration: none;
  margin-top: 0.5rem;
  transition: background 0.2s, transform 0.2s;
}

.btn-small:hover { background: #ffad33; transform: scale(1.03); }

@media (max-width: 800px) {
  .featured-grid { grid-template-columns: 1fr; }
  .featured-main h2 { font-size: 2rem; }
  .featured-main { padding-right: 0; }
}

/* ── Compare Table ── */
.compare {
  padding: 4.5rem 0;
  background: #fff;
}

.compare h2 { text-align: center; font-size: 1.9rem; font-weight: 700; margin-bottom: 0.3rem; letter-spacing: -0.5px; }

.subtitle {
  text-align: center;
  color: #6e6e73;
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
}

.sub .desc {
  display: block;
  font-size: 9px;
  color: #888;
  font-style: italic;
  margin-top: 2px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

.kindle-note {
  max-width: 520px;
  margin: 2.5rem auto 0;
  background: #f3efe8;
  border-radius: 8px;
  padding: 4px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.04);
}

.kindle-note-screen {
  background: #faf8f4;
  border-radius: 6px;
  padding: 20px 22px 14px;
  font-family: 'Georgia', 'Times New Roman', serif;
  color: #2a2a2a;
  font-size: 13px;
  line-height: 1.7;
  box-shadow: inset 0 0 8px rgba(0,0,0,0.03);
}

.kn-header {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #999;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e0d8ce;
}

.kindle-note-screen p {
  text-indent: 1.2em;
  margin-bottom: 0;
}

.kn-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 8px;
  border-top: 1px solid #e0d8ce;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 10px;
  color: #999;
  letter-spacing: 0.3px;
}

@media (max-width: 600px) {
  .kindle-note { margin: 2rem 1rem; }
  .kindle-note-screen { padding: 16px 16px 12px; font-size: 12px; }
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 14px;
  border: 1px solid #e8e3dd;
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 680px;
}

th, td {
  padding: 0.7rem 0.9rem;
  text-align: center;
  border-bottom: 1px solid #eee;
}

th {
  background: #232f3e;
  color: #fff;
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.2px;
}

th:first-child { background: transparent; }

td:first-child {
  text-align: left;
  font-weight: 600;
  color: #555;
  font-size: 0.78rem;
  background: #fafaf8;
  white-space: nowrap;
}

tbody tr:hover { background: #f8f6f2; }

.mn { display: block; font-size: 0.78rem; font-weight: 700; }
.mp { display: block; font-size: 0.65rem; font-weight: 400; opacity: 0.7; margin-top: 2px; }

/* ── Tech ── */
.tech {
  padding: 4.5rem 0;
  background: #f5f2ed;
}

.tech h2 { text-align: center; font-size: 1.9rem; font-weight: 700; margin-bottom: 2.5rem; letter-spacing: -0.5px; }

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.tc {
  background: #fff;
  padding: 1.5rem 1.5rem 1.8rem;
  border-radius: 18px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: transform 0.3s, box-shadow 0.3s;
}

.tc:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,0.07); }

.tc-icon { font-size: 1.8rem; margin-bottom: 0.4rem; }

.tc h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }

.tc p { color: #6e6e73; font-size: 0.85rem; line-height: 1.6; }

/* ── FAQ ── */
.faq {
  padding: 4.5rem 0;
  background: #fff;
}

.faq h2 { text-align: center; font-size: 1.9rem; font-weight: 700; margin-bottom: 2rem; letter-spacing: -0.5px; }

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.fi {
  padding: 1.2rem 1.4rem;
  border-radius: 14px;
  background: #f5f2ed;
  transition: background 0.25s;
}

.fi:hover { background: #ede8e2; }

.fi h3 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: #232f3e;
}

.fi p { color: #6e6e73; font-size: 0.85rem; line-height: 1.6; }

/* ── Footer ── */
footer {
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: #888;
  font-size: 0.78rem;
  line-height: 1.8;
  background: #f5f2ed;
}

footer .fl { margin-top: 0.4rem; }
footer .fl a { color: #232f3e; text-decoration: none; font-weight: 600; font-size: 0.82rem; }
footer .fl a:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 860px) {
  .menu-toggle { display: block; }

  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(35,47,62,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 0.9rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  nav ul.open { display: flex; }

  .hero {
    flex-direction: column;
    text-align: center;
    padding: 2.5rem 1.2rem;
    gap: 2.2rem;
    min-height: auto;
  }

  .hero-text h1 { font-size: 2.4rem; }
  .hero-text > p { margin: 0 auto 1.5rem; max-width: 100%; }
  .hero-tags { justify-content: center; }

  .device { transform: none; width: 290px; height: 430px; padding: 14px; }
  .device:hover { transform: none; }

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

  .table-scroll { margin: 0 -1rem; border-radius: 0; border-left: none; border-right: none; }
}

@media (max-width: 480px) {
  .device { width: 260px; height: 390px; padding: 12px; }
  .hero-text h1 { font-size: 1.9rem; }
  .tech-grid { grid-template-columns: 1fr; }
}