@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --ink: #14181e;
  --ink-soft: #3a424d;
  --muted: #6b7380;
  --line: rgba(20, 24, 30, 0.12);
  --paper: #eef1f4;
  --paper-2: #e4e9ef;
  --white: #f7f8fa;
  --silver: #9aa3af;
  --steel: #5c6b7a;
  --accent: #2f4f5c;
  --accent-soft: #3d6675;
  --hero-veil: linear-gradient(105deg, rgba(15, 18, 22, 0.78) 0%, rgba(15, 18, 22, 0.45) 55%, rgba(15, 18, 22, 0.25) 100%);
  --font-display: "Instrument Serif", Georgia, serif;
  --font-body: "Outfit", sans-serif;
  --max: 1180px;
  --radius: 4px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(156, 170, 184, 0.28), transparent 55%),
    radial-gradient(900px 500px at 95% 5%, rgba(47, 79, 92, 0.12), transparent 50%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

.sb-wrap {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

/* Header */
.sb-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(238, 241, 244, 0.82);
  border-bottom: 1px solid var(--line);
}
.sb-header-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.sb-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  flex-shrink: 0;
}
.sb-logo img { width: 148px; height: auto; }
.sb-logo-mark {
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--ink);
  border-radius: 3px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.sb-logo-text {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.02em;
  line-height: 1;
}
.sb-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.sb-nav a {
  padding: 10px 12px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  transition: color 0.25s var(--ease);
}
.sb-nav a:hover,
.sb-nav a.active { color: var(--ink); }
.sb-nav a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.sb-nav a:hover::after,
.sb-nav a.active::after { transform: scaleX(1); }
.sb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 22px;
  border-radius: var(--radius);
  font-weight: 550;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.sb-btn:hover { transform: translateY(-1px); }
.sb-btn-primary {
  background: var(--ink);
  color: var(--white);
}
.sb-btn-primary:hover { background: var(--accent); }
.sb-btn-ghost {
  border: 1px solid rgba(255,255,255,0.45);
  color: #fff;
  background: rgba(255,255,255,0.06);
}
.sb-btn-ghost:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.7);
}
.sb-btn-outline {
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
}
.sb-btn-outline:hover {
  background: var(--ink);
  color: var(--white);
}
.sb-menu-btn {
  display: none;
  margin-left: auto;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.sb-menu-btn span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  margin: 4px 0;
  transition: 0.25s var(--ease);
}

/* Hero */
.sb-hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #fff;
}
.sb-hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: sbKen 18s var(--ease) infinite alternate;
}
@keyframes sbKen {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.1) translate3d(-1.5%, -1%, 0); }
}
.sb-hero-veil {
  position: absolute;
  inset: 0;
  background: var(--hero-veil);
}
.sb-hero-grain {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.sb-hero-content {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto 72px;
  max-width: 720px;
  animation: sbRise 0.9s var(--ease) both;
}
@keyframes sbRise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}
.sb-brand-signal {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 6.8rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  font-weight: 400;
  color: #fff;
}
.sb-hero p {
  margin: 0 0 28px;
  max-width: 46ch;
  color: rgba(255,255,255,0.78);
  font-size: 1.02rem;
  font-weight: 300;
}
.sb-hero p.sb-hero-tag {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  line-height: 1.35;
  max-width: 32ch;
  color: rgba(255,255,255,0.94);
}
.sb-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Sections */
.sb-section {
  padding: 96px 0;
}
.sb-section-tight { padding: 72px 0; }
.sb-kicker {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.sb-section h2 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  line-height: 1.1;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
  font-weight: 400;
}
.sb-lead {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 54ch;
  margin: 0;
  font-weight: 300;
}
.sb-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.sb-split.reverse { direction: rtl; }
.sb-split.reverse > * { direction: ltr; }
.sb-media-frame {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  min-height: 360px;
  background: var(--steel);
}
.sb-media-frame img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}
.sb-media-frame:hover img { transform: scale(1.03); }
.sb-media-caption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 8px 12px;
  background: rgba(20, 24, 30, 0.72);
  color: #fff;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

/* Service rows — not heavy cards */
.sb-service-list {
  display: grid;
  gap: 0;
  margin-top: 48px;
  border-top: 1px solid var(--line);
}
.sb-service-row {
  display: grid;
  grid-template-columns: 80px 1.2fr 1.6fr auto;
  gap: 28px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease), padding 0.3s var(--ease);
}
.sb-service-row:hover {
  background: rgba(255,255,255,0.45);
  padding-left: 12px;
  padding-right: 12px;
}
.sb-service-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--silver);
}
.sb-service-row h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 550;
}
.sb-service-row p {
  margin: 0;
  color: var(--ink-soft);
  font-weight: 300;
}
.sb-link {
  font-weight: 550;
  font-size: 0.92rem;
  color: var(--accent);
  white-space: nowrap;
}
.sb-link::after { content: " →"; }

/* Feature band */
.sb-band {
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.sb-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 280px at 80% 20%, rgba(157, 170, 184, 0.22), transparent 60%),
    linear-gradient(135deg, rgba(47, 79, 92, 0.35), transparent 50%);
  pointer-events: none;
}
.sb-band .sb-wrap { position: relative; z-index: 1; }
.sb-band h2 { color: #fff; }
.sb-band .sb-lead { color: rgba(255,255,255,0.72); }
.sb-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 48px;
}
.sb-pillar h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 550;
}
.sb-pillar p {
  margin: 0;
  color: rgba(255,255,255,0.68);
  font-weight: 300;
  font-size: 0.98rem;
}
.sb-pillar-line {
  width: 36px;
  height: 1px;
  background: var(--silver);
  margin-bottom: 18px;
}

/* Image mosaic */
.sb-mosaic {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 18px;
  margin-top: 48px;
}
.sb-mosaic figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  min-height: 280px;
}
.sb-mosaic img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}
.sb-mosaic figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 18px 20px;
  background: linear-gradient(transparent, rgba(15,18,22,0.75));
  color: #fff;
  font-size: 0.92rem;
  font-weight: 400;
}

/* Notice / honesty */
.sb-note {
  margin-top: 36px;
  padding: 18px 20px;
  border-left: 2px solid var(--accent);
  background: rgba(255,255,255,0.55);
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 300;
}

/* Page hero */
.sb-page-hero {
  padding: 88px 0 48px;
  border-bottom: 1px solid var(--line);
}
.sb-page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.05;
  margin: 0 0 16px;
  font-weight: 400;
}
.sb-crumb {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 18px;
}
.sb-crumb a:hover { color: var(--ink); }

/* Content */
.sb-prose { max-width: 68ch; }
.sb-prose p {
  color: var(--ink-soft);
  font-weight: 300;
  margin: 0 0 16px;
}
.sb-prose h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin: 40px 0 12px;
  font-weight: 400;
}
.sb-prose ul {
  margin: 0 0 20px;
  padding-left: 18px;
  list-style: disc;
  color: var(--ink-soft);
}
.sb-prose li { margin-bottom: 8px; font-weight: 300; }
.sb-two-col {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}
.sb-side-panel {
  padding: 28px;
  background: rgba(255,255,255,0.6);
  border: 1px solid var(--line);
}
.sb-side-panel h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}
.sb-side-panel p,
.sb-side-panel li {
  color: var(--ink-soft);
  font-weight: 300;
  font-size: 0.95rem;
}
.sb-side-panel ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sb-side-panel li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.sb-side-panel li:last-child { border-bottom: 0; }

/* Rich page modules */
.sb-topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 36px;
}
.sb-topic {
  padding: 24px 22px;
  background: rgba(255,255,255,0.62);
  border: 1px solid var(--line);
}
.sb-topic h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  font-weight: 550;
}
.sb-topic p {
  margin: 0;
  color: var(--ink-soft);
  font-weight: 300;
  font-size: 0.95rem;
}
.sb-steps {
  display: grid;
  gap: 0;
  margin-top: 36px;
  border-top: 1px solid var(--line);
}
.sb-step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.sb-step-num {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--silver);
  line-height: 1;
}
.sb-step h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}
.sb-step p {
  margin: 0;
  color: var(--ink-soft);
  font-weight: 300;
}
.sb-checklist {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.sb-checklist li {
  position: relative;
  padding: 10px 0 10px 28px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-weight: 300;
}
.sb-checklist li:last-child { border-bottom: 0; }
.sb-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--accent);
  border-radius: 2px;
  background:
    linear-gradient(var(--accent), var(--accent)) center/8px 1.5px no-repeat,
    linear-gradient(var(--accent), var(--accent)) center/1.5px 8px no-repeat;
}

@media (max-width: 960px) {
  .sb-topic-grid { grid-template-columns: 1fr; }
}

/* Contact */
.sb-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.sb-contact-list dt {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 22px;
}
.sb-contact-list dd {
  margin: 6px 0 0;
  font-size: 1.08rem;
}
.sb-contact-list a:hover { color: var(--accent); }
.sb-form {
  display: grid;
  gap: 14px;
  padding: 28px;
  background: rgba(255,255,255,0.65);
  border: 1px solid var(--line);
}
.sb-form label {
  display: grid;
  gap: 6px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-soft);
}
.sb-form input,
.sb-form textarea,
.sb-form select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius);
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
}
.sb-form textarea { min-height: 120px; resize: vertical; }
.sb-form input:focus,
.sb-form textarea:focus,
.sb-form select:focus {
  outline: 2px solid rgba(47, 79, 92, 0.25);
  border-color: var(--accent);
}
.sb-form-note {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 300;
}

/* Footer */
.sb-footer {
  margin-top: 40px;
  background: #10141a;
  color: rgba(255,255,255,0.72);
  padding: 64px 0 28px;
}
.sb-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 48px;
}
.sb-footer .sb-logo-text { color: #fff; }
.sb-footer p {
  font-weight: 300;
  font-size: 0.95rem;
  max-width: 32ch;
  margin: 14px 0 0;
}
.sb-footer h4 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 550;
}
.sb-footer a {
  display: block;
  padding: 5px 0;
  font-weight: 300;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.sb-footer a:hover { color: #fff; }
.sb-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
}

/* Reveal */
.sb-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.sb-reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* Legal */
.sb-legal {
  max-width: 72ch;
}
.sb-legal h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  margin: 36px 0 10px;
  font-weight: 400;
}
.sb-legal p, .sb-legal li {
  color: var(--ink-soft);
  font-weight: 300;
}

@media (max-width: 960px) {
  .sb-split,
  .sb-split.reverse,
  .sb-two-col,
  .sb-contact-grid,
  .sb-mosaic,
  .sb-pillars,
  .sb-footer-grid {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .sb-service-row {
    grid-template-columns: 48px 1fr;
    gap: 10px 18px;
  }
  .sb-service-row p { grid-column: 2; }
  .sb-service-row .sb-link { grid-column: 2; }
  .sb-nav { display: none; }
  .sb-header-inner .sb-btn { display: none; }
  .sb-menu-btn { display: grid; }
  .sb-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(238, 241, 244, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 12px 20px 20px;
    align-items: stretch;
  }
  .sb-nav.open a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .sb-nav.open a::after { display: none; }
}

@media (max-width: 640px) {
  .sb-hero { min-height: 84vh; }
  .sb-hero-content { margin-bottom: 48px; }
  .sb-section { padding: 72px 0; }
  .sb-btn-ghost { width: 100%; }
}