:root {
  color-scheme: light;
  --ink: #14211f;
  --muted: #64706d;
  --line: #dbe5e2;
  --bg: #f7f9f8;
  --panel: #ffffff;
  --teal: #0f766e;
  --teal-dark: #0b4f4a;
  --gold: #f59e0b;
  --blue: #2563eb;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(15, 35, 31, 0.12);
}

.brand span {
  display: grid;
  gap: 1px;
}

.brand strong {
  font-size: 18px;
  line-height: 1.2;
}

.brand em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  line-height: 1.2;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: #40504c;
  font-size: 15px;
}

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

.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: center;
  padding: clamp(48px, 7vw, 90px) clamp(20px, 5vw, 72px);
  overflow: hidden;
  background: #111d1a;
}

.hero-content {
  width: min(660px, 100%);
  position: relative;
  z-index: 2;
  color: #fff;
  padding-block: clamp(36px, 5vw, 72px);
}

.hero-content::before {
  content: "";
  display: block;
  width: 72px;
  height: 72px;
  margin-bottom: 24px;
  border-radius: 18px;
  background: url("./assets/brand-logo.png") center / cover no-repeat;
  box-shadow: 0 18px 44px rgba(0,0,0,0.28);
}

.hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% center;
  filter: saturate(0.95) contrast(1.02);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(6, 20, 18, 0.92) 0%, rgba(6, 20, 18, 0.72) 42%, rgba(6, 20, 18, 0.28) 74%, rgba(6, 20, 18, 0.08) 100%),
    linear-gradient(0deg, rgba(6, 20, 18, 0.38), rgba(6, 20, 18, 0));
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin: 0;
  font-size: clamp(42px, 8vw, 88px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin: 18px 0 8px;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: 0;
}

.lead {
  max-width: 610px;
  margin: 24px 0 0;
  color: rgba(255,255,255,0.82);
  font-size: clamp(17px, 2.1vw, 22px);
}

.hero-actions, .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 6px;
  font-weight: 800;
  border: 1px solid transparent;
}

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

.button.secondary {
  background: #fff;
  color: var(--teal-dark);
  border-color: var(--line);
}

.hero .button.secondary {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-color: rgba(255,255,255,0.28);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 560px;
  margin: 40px 0 0;
}

.hero-stats div {
  padding: 18px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 8px;
  backdrop-filter: blur(10px);
}

.hero-stats dt {
  font-size: 24px;
  font-weight: 900;
  color: #fff;
}

.hero-stats dd {
  margin: 2px 0 0;
  color: rgba(255,255,255,0.7);
}

.overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.about-band {
  background: #fff;
}

.about-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(260px, 0.28fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: end;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff, #eef6f4);
}

.about-panel .eyebrow,
.about-panel h2,
.about-panel .body-copy {
  grid-column: 1;
}

.slogan {
  grid-column: 2;
  grid-row: 1 / span 3;
  justify-self: end;
  margin: 0;
  color: var(--teal-dark);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 900;
  line-height: 1.18;
}

.overview div {
  min-height: 140px;
  padding: clamp(24px, 4vw, 42px);
  background: #fff;
}

.overview strong {
  display: block;
  margin-bottom: 10px;
  font-size: 22px;
}

.overview span,
.section-copy {
  color: var(--muted);
}

.section, .band, .contact, .quick-entry, .assurance, .order-band {
  padding: clamp(56px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.section-head {
  max-width: 720px;
  margin-bottom: 28px;
}

.section-copy {
  max-width: 680px;
  margin: 12px 0 0;
  font-size: 17px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.quick-entry {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.order-band {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.order-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 18px;
}

.order-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f9fbfa;
}

.order-form label {
  display: grid;
  gap: 8px;
}

.order-form label.full {
  grid-column: 1 / -1;
}

.order-form span {
  font-size: 14px;
  color: var(--muted);
  font-weight: 700;
}

.order-form input,
.order-form select,
.order-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.order-form textarea {
  resize: vertical;
  min-height: 120px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.order-side {
  display: grid;
  gap: 14px;
}

.order-note {
  padding: 22px;
  background: #13201d;
  color: #fff;
  border-radius: 8px;
}

.order-note strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.order-note p {
  margin: 0;
  color: rgba(255,255,255,0.72);
}

.entry-card {
  min-height: 184px;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f9fbfa;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.entry-card:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 118, 110, 0.34);
  box-shadow: 0 16px 34px rgba(22, 44, 39, 0.08);
}

.entry-card strong {
  font-size: 21px;
  line-height: 1.25;
}

.entry-card em {
  color: var(--muted);
  font-style: normal;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.partner-grid div {
  min-height: 170px;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.partner-grid strong {
  display: block;
  margin-bottom: 10px;
  font-size: 20px;
}

.partner-grid span {
  color: var(--muted);
}

.service-card {
  min-height: 210px;
  padding: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-card {
  min-height: 250px;
  border-top: 4px solid var(--teal);
}

.meta-list {
  display: grid;
  gap: 7px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  color: #4e5e5a;
  font-size: 14px;
}

.meta-list li {
  position: relative;
  padding-left: 14px;
}

.meta-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

.service-card p {
  margin: 0;
  color: var(--muted);
}

.icon {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  background: #e7f3f1;
  color: var(--teal-dark);
  border-radius: 8px;
  font-weight: 900;
}

.band {
  background: #eaf2ef;
  border-block: 1px solid var(--line);
}

.assurance {
  background: #13201d;
  color: #fff;
}

.assurance .eyebrow {
  color: #67e8d4;
}

.assurance .section-copy {
  color: rgba(255,255,255,0.72);
}

.assurance-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 8px;
  overflow: hidden;
}

.assurance-grid div {
  min-height: 170px;
  padding: 28px;
  background: rgba(255,255,255,0.08);
}

.assurance-grid strong {
  display: block;
  margin-bottom: 10px;
  font-size: 20px;
}

.assurance-grid span {
  color: rgba(255,255,255,0.72);
}

.compact-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.compact-grid .service-card {
  min-height: 190px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
}

.steps li {
  position: relative;
  min-height: 180px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  display: grid;
  width: 36px;
  height: 36px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-weight: 900;
}

.project-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.project-panel div {
  min-height: 180px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.project-panel strong {
  display: block;
  margin-bottom: 12px;
  font-size: 20px;
}

.project-panel span {
  color: var(--muted);
}

.brand-strip {
  margin: 22px 0 0;
  padding: 18px 22px;
  color: var(--teal-dark);
  background: rgba(255,255,255,0.68);
  border: 1px solid rgba(15, 118, 110, 0.14);
  border-radius: 8px;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 800;
}

.steps strong, .promise-list strong {
  display: block;
  font-size: 18px;
  margin-bottom: 8px;
}

.steps span, .promise-list span, .body-copy {
  color: var(--muted);
}

.process {
  background: #fff;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

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

.promise-list div {
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  color: #fff;
  background: var(--teal-dark);
}

.contact .eyebrow, .contact p { color: #c8ffef; }
.contact h2 { color: #fff; }
.contact .button.secondary { border-color: rgba(255,255,255,0.24); background: transparent; color: #fff; }

.brand-inline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  color: #fff;
  font-weight: 800;
}

.brand-inline img {
  border-radius: 10px;
  box-shadow: 0 10px 26px rgba(0,0,0,0.22);
}

.contact-line {
  margin: 18px 0 0;
  color: #c8ffef;
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: var(--muted);
  background: #fff;
  border-top: 1px solid var(--line);
}

@media (max-width: 900px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .nav { width: 100%; overflow-x: auto; padding-bottom: 2px; }
  .hero { min-height: auto; }
  .hero-photo { object-position: center; }
  .hero::before { background: rgba(6, 20, 18, 0.78); }
  .service-grid, .steps, .split, .overview, .project-panel, .partner-grid, .about-panel, .entry-grid, .assurance-grid, .order-grid, .order-form { grid-template-columns: 1fr; }
  .compact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-panel .eyebrow,
  .about-panel h2,
  .about-panel .body-copy,
  .slogan {
    grid-column: auto;
    grid-row: auto;
    justify-self: start;
  }
  .contact { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .brand span { font-size: 17px; }
  .hero-stats { grid-template-columns: 1fr; }
  .compact-grid { grid-template-columns: 1fr; }
  .service-card, .steps li { min-height: auto; padding: 22px; }
  .site-footer { flex-direction: column; }
}