:root {
  --ink: #10131b;
  --muted: #626b7a;
  --paper: #fbfcf8;
  --line: rgba(16, 19, 27, .12);
  --green: #39e991;
  --cyan: #33c7ff;
  --violet: #8b5cf6;
  --wine: #7f173e;
  --orange: #ff7900;
  --radius: 8px;
  --shadow: 0 22px 70px rgba(16, 19, 27, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: 0;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, .28);
  background: rgba(251, 252, 248, .82);
  backdrop-filter: blur(18px);
}

.brand img { width: 214px; border-radius: var(--radius); }
.nav { display: flex; justify-content: center; gap: 8px; }
.nav a {
  padding: 10px 13px;
  border-radius: var(--radius);
  color: #363d4b;
  font-weight: 750;
  font-size: 14px;
}
.nav a:hover { background: rgba(16, 19, 27, .07); }
.header-cta {
  padding: 12px 16px;
  border-radius: var(--radius);
  background: var(--ink);
  color: white;
  font-weight: 850;
  font-size: 14px;
}

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, .98fr);
  align-items: center;
  gap: clamp(28px, 5vw, 80px);
  padding: clamp(52px, 7vw, 104px) clamp(20px, 5vw, 72px) 58px;
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(16, 19, 27, .96), rgba(28, 37, 46, .86)),
    radial-gradient(circle at 70% 38%, rgba(57, 233, 145, .34), transparent 32%),
    linear-gradient(135deg, #10131b, #2a162c 48%, #0d3b2b);
  color: white;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 170px;
  background: linear-gradient(180deg, transparent, var(--paper));
  pointer-events: none;
}

.hero-copy { position: relative; z-index: 2; max-width: 760px; }
.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 1.2px;
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 24px;
  font-size: clamp(42px, 6vw, 82px);
  line-height: .96;
  letter-spacing: 0;
  max-width: 860px;
}
h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4.2vw, 56px);
  line-height: 1.02;
  letter-spacing: 0;
}
h3 { letter-spacing: 0; }
.lead {
  color: rgba(255, 255, 255, .78);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.55;
  max-width: 720px;
}

.hero-actions, .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-weight: 900;
}
.btn.primary {
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #07110c;
}
.btn.ghost {
  color: white;
  border: 1px solid rgba(255, 255, 255, .34);
  background: rgba(255, 255, 255, .08);
}
.btn.light { color: white; }

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 720px;
}
.hero-facts span {
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .76);
}
.hero-facts strong { display: block; color: white; font-size: 22px; }

.hero-media {
  position: relative;
  z-index: 2;
  min-height: 500px;
}
.screen {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .1);
  box-shadow: 0 40px 100px rgba(0, 0, 0, .28);
  backdrop-filter: blur(16px);
}
.screen-a {
  inset: 42px 18px auto auto;
  width: min(420px, 82%);
  min-height: 260px;
  padding: 44px;
}
.screen-a strong { display: block; font-size: 78px; line-height: 1; }
.screen-a small { color: rgba(255, 255, 255, .72); font-weight: 800; }
.screen-bar {
  display: block;
  width: 100%;
  height: 14px;
  margin-bottom: 44px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--cyan), var(--violet));
}
.screen-b {
  left: 4%;
  bottom: 64px;
  width: 410px;
  padding: 28px;
  display: grid;
  gap: 16px;
}
.screen-b span {
  display: block;
  height: 42px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .22);
}
.screen-c {
  right: 4%;
  bottom: 10px;
  width: 190px;
  padding: 26px;
  background: #fbfcf8;
  color: var(--ink);
}
.screen-c b { display: block; font-size: 48px; }
.screen-c small { color: var(--muted); font-weight: 800; }

.ticker {
  display: flex;
  gap: 12px;
  overflow: hidden;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}
.ticker span {
  white-space: nowrap;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: white;
  border: 1px solid var(--line);
  font-weight: 850;
  color: #3d4553;
}

.intro-section,
.portfolio-section,
.quality-section,
.transfer-section,
.faq-section,
.contact-section,
.detail-panel {
  padding: clamp(52px, 7vw, 96px) clamp(20px, 5vw, 72px);
}

.intro-section {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}
.intro-section > p {
  color: #48515f;
  font-size: 20px;
  line-height: 1.7;
}

.section-heading {
  display: grid;
  gap: 4px;
  max-width: 940px;
  margin-bottom: 34px;
}
.section-heading p:last-child {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 18px;
}
.site-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 560px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 14px 42px rgba(16, 19, 27, .07);
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.site-card:hover,
.site-card.active {
  transform: translateY(-4px);
  border-color: rgba(57, 233, 145, .8);
  box-shadow: var(--shadow);
}
.site-card.featured { grid-column: span 1; }
.site-card.tall { grid-row: span 1; }
.card-image {
  aspect-ratio: 1.55;
  background: #eef2f5;
  border-bottom: 1px solid var(--line);
}
.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}
.card-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}
.card-top h3 { margin: 0; font-size: 22px; }
.card-top span {
  flex: 0 0 auto;
  padding: 8px 10px;
  border-radius: var(--radius);
  background: var(--ink);
  color: white;
  font-weight: 950;
}
.card-body p {
  color: #515a68;
  line-height: 1.55;
}
.card-body ul {
  display: grid;
  gap: 8px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}
.card-body li {
  position: relative;
  padding-left: 20px;
  color: #263040;
  font-weight: 720;
  line-height: 1.4;
}
.card-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.detail-panel {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 24px;
  margin: 0 clamp(20px, 5vw, 72px) clamp(28px, 4vw, 56px);
  padding: clamp(28px, 5vw, 54px);
  border-radius: var(--radius);
  background: #10131b;
  color: white;
}
.detail-copy p:not(.eyebrow) {
  color: rgba(255, 255, 255, .76);
  font-size: 19px;
  line-height: 1.65;
}
.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.buy-now { margin-top: 22px; }
.detail-meta span {
  padding: 11px 13px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .16);
  font-weight: 900;
}
.detail-list {
  padding: 26px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .08);
}
.detail-list ul { margin: 0; padding-left: 20px; }
.detail-list li {
  margin: 0 0 12px;
  color: rgba(255, 255, 255, .82);
  line-height: 1.5;
}

.quality-section { background: #eef7f1; }
.quality-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.quality-grid article {
  padding: 25px;
  border-radius: var(--radius);
  background: white;
  border: 1px solid rgba(16, 19, 27, .08);
}
.quality-grid span {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--wine);
  font-weight: 950;
}
.quality-grid p { color: var(--muted); line-height: 1.55; }

.transfer-section {
  display: grid;
  grid-template-columns: .65fr 1.35fr;
  gap: 28px;
  align-items: start;
}
.transfer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.transfer-grid div,
.faq-grid details {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}
.transfer-grid strong { display: block; margin-bottom: 8px; font-size: 19px; }
.transfer-grid p, .faq-grid p { color: var(--muted); line-height: 1.55; margin-bottom: 0; }

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
summary {
  cursor: pointer;
  font-weight: 900;
  font-size: 18px;
}
details p { margin-top: 14px; }

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: 18px;
  background: #11131a;
  color: white;
}
.contact-card {
  padding: clamp(28px, 5vw, 56px);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(57, 233, 145, .15), rgba(51, 199, 255, .08)),
    #181c25;
}
.contact-card p:not(.eyebrow) {
  color: rgba(255, 255, 255, .74);
  font-size: 19px;
  line-height: 1.6;
}
.purchase-form {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}
.purchase-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, .82);
  font-size: 14px;
  font-weight: 850;
}
.purchase-form input,
.purchase-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .1);
  color: white;
  font: inherit;
  padding: 14px 15px;
  outline: none;
}
.purchase-form textarea { resize: vertical; }
.purchase-form input:focus,
.purchase-form textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(57, 233, 145, .18);
}
.purchase-form input[readonly] {
  color: #10131b;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  border-color: transparent;
  font-weight: 950;
}
.purchase-form ::placeholder { color: rgba(255, 255, 255, .52); }
.checkline {
  grid-template-columns: 18px 1fr;
  align-items: start;
  gap: 11px;
  line-height: 1.45;
}
.checkline input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--green);
}
.price-board {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: var(--radius);
  background: #fbfcf8;
  color: var(--ink);
}
.price-board a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 15px;
  border-radius: var(--radius);
  background: #eef2f5;
  font-weight: 850;
  transition: transform .18s ease, background .18s ease;
}
.price-board a:hover {
  background: #e0e8ef;
  transform: translateX(3px);
}
.price-board strong { font-size: 22px; }

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 72px);
  background: #080a0f;
  color: rgba(255, 255, 255, .72);
}
.site-footer img { width: 180px; border-radius: var(--radius); }
.site-footer p { margin: 0; text-align: right; }

@media (max-width: 1040px) {
  .site-header { grid-template-columns: 1fr auto; }
  .nav { display: none; }
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-media { order: -1; min-height: 390px; }
  .portfolio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quality-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .intro-section,
  .detail-panel,
  .transfer-section,
  .contact-section { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .site-header {
    padding: 10px 14px;
    gap: 10px;
    min-height: 60px;
  }
  .brand img { width: 150px; }
  .header-cta { display: none; }
  .hero {
    gap: 18px;
    padding: 26px 16px 36px;
  }
  .hero-media {
    min-height: 176px;
    max-width: 360px;
    width: 100%;
    margin: 0 auto;
  }
  .screen-a {
    inset: 8px auto auto 0;
    width: 66%;
    min-height: 126px;
    padding: 17px;
  }
  .screen-a strong { font-size: 35px; }
  .screen-a small { font-size: 12px; }
  .screen-bar {
    height: 9px;
    margin-bottom: 22px;
  }
  .screen-b {
    width: 52%;
    left: 4px;
    bottom: 14px;
    padding: 14px;
    gap: 8px;
  }
  .screen-b span { height: 22px; }
  .screen-c {
    width: 124px;
    right: 0;
    bottom: 0;
    padding: 17px;
  }
  .screen-c b { font-size: 31px; }
  .screen-c small { font-size: 12px; }
  .eyebrow {
    margin-bottom: 10px;
    font-size: 11px;
  }
  .lead {
    font-size: 17px;
    line-height: 1.48;
  }
  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 22px 0;
  }
  .btn {
    width: 100%;
    min-height: 46px;
  }
  .portfolio-grid,
  .quality-grid,
  .transfer-grid,
  .faq-grid { grid-template-columns: 1fr; }
  .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
  .hero-facts span {
    padding: 10px;
    font-size: 12px;
  }
  .hero-facts strong {
    font-size: 17px;
  }
  .ticker {
    flex-wrap: wrap;
    overflow: visible;
    padding: 14px 16px;
  }
  .ticker span { white-space: normal; }
  .intro-section,
  .portfolio-section,
  .quality-section,
  .transfer-section,
  .faq-section,
  .contact-section { padding: 44px 16px; }
  .intro-section {
    gap: 18px;
  }
  .intro-section > p {
    font-size: 17px;
    line-height: 1.6;
  }
  .section-heading {
    margin-bottom: 24px;
  }
  .section-heading p:last-child {
    font-size: 16px;
  }
  .site-card {
    min-height: auto;
  }
  .card-image {
    aspect-ratio: 1.85;
  }
  .card-body {
    padding: 18px;
  }
  .card-top {
    align-items: center;
    margin-bottom: 10px;
  }
  .card-top h3 {
    font-size: 20px;
    overflow-wrap: anywhere;
  }
  .card-top span {
    padding: 7px 9px;
  }
  .card-body p {
    margin-bottom: 14px;
    line-height: 1.48;
  }
  .card-body ul {
    gap: 7px;
    margin-top: 0;
  }
  .card-body li {
    font-size: 14px;
  }
  .detail-panel {
    gap: 18px;
    margin: 0 16px 32px;
    padding: 22px;
  }
  .detail-copy p:not(.eyebrow) {
    font-size: 16px;
    line-height: 1.55;
  }
  .detail-list {
    padding: 18px;
  }
  .detail-list li {
    font-size: 15px;
  }
  .quality-grid article,
  .transfer-grid div,
  .faq-grid details {
    padding: 18px;
  }
  .quality-grid span {
    margin-bottom: 16px;
  }
  .contact-section {
    gap: 12px;
  }
  .contact-card {
    padding: 24px 18px;
  }
  .contact-card p:not(.eyebrow) {
    font-size: 16px;
  }
  .purchase-form {
    gap: 12px;
  }
  .purchase-form input,
  .purchase-form textarea {
    padding: 13px;
  }
  .price-board {
    padding: 12px;
  }
  .price-board a {
    padding: 13px;
  }
  .price-board strong {
    font-size: 20px;
  }
  h1 {
    font-size: 38px;
    line-height: 1;
    margin-bottom: 16px;
  }
  h2 { font-size: 29px; }
  .site-footer {
    flex-direction: column;
    align-items: start;
    padding: 22px 16px;
  }
  .site-footer p { text-align: left; }
}

@media (max-width: 420px) {
  .card-top {
    display: grid;
    grid-template-columns: 1fr auto;
  }
  .price-board a {
    grid-template-columns: 1fr auto;
  }
  .checkline {
    grid-template-columns: 20px 1fr;
  }
}