:root {
  --navy: #10245f;
  --blue: #1f3fa3;
  --blue-2: #2c55d3;
  --orange: #f15a24;
  --orange-soft: #ff7b47;
  --ink: #10172a;
  --muted: #667085;
  --line: #dfe4ef;
  --paper: #ffffff;
  --wash: #f6f8fc;
  --radius: 24px;
  --shadow: 0 24px 70px rgba(20, 45, 110, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: absolute; left: -999px; top: 12px; z-index: 999; background: #fff; color: #000; padding: 10px 14px; }
.skip-link:focus { left: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(18,36,91,.08);
}
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand img { width: 232px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 700; color: #344054; }
.site-nav > a:not(.btn) { position: relative; }
.site-nav > a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -7px; width: 0; height: 2px; background: var(--orange); transition: width .2s ease; }
.site-nav > a:not(.btn):hover::after { width: 100%; }
.nav-toggle { display: none; border: 0; background: none; width: 42px; height: 42px; padding: 9px; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--navy); }

.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(16,36,95,.98) 0%, rgba(25,55,145,.97) 58%, rgba(30,71,175,.95) 100%);
  color: #fff;
  padding: 86px 0 72px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .18;
  background-image: linear-gradient(rgba(255,255,255,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.1) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to right, #000 0%, transparent 70%);
}
.hero-orb { position: absolute; border-radius: 50%; filter: blur(8px); pointer-events: none; }
.hero-orb-one { width: 480px; height: 480px; background: rgba(241,90,36,.22); right: -180px; top: -180px; }
.hero-orb-two { width: 360px; height: 360px; border: 1px solid rgba(255,255,255,.18); right: 210px; bottom: -220px; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 74px; }
.hero-copy h1 { margin: 10px 0 24px; max-width: 760px; font-size: clamp(46px, 5.5vw, 78px); line-height: .98; letter-spacing: -.045em; }
.hero-copy .lead { max-width: 710px; font-size: clamp(18px, 2vw, 22px); color: rgba(255,255,255,.82); margin: 0 0 32px; }
.eyebrow { margin: 0 0 10px; font-size: 12px; letter-spacing: .18em; font-weight: 850; color: #ff9d73; }
.eyebrow.dark { color: var(--orange); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 21px; border-radius: 14px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-small { min-height: 42px; padding: 0 17px; border-radius: 12px; }
.btn-primary { color: #fff; background: var(--orange); box-shadow: 0 12px 30px rgba(241,90,36,.3); }
.btn-primary:hover { background: #dd4916; }
.btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,.32); background: rgba(255,255,255,.06); }
.btn-light { color: var(--navy); background: #fff; }
.btn-outline-light { color: #fff; border: 1px solid rgba(255,255,255,.45); }
.hero-points { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 30px; color: rgba(255,255,255,.78); font-size: 13px; font-weight: 750; }
.hero-points span { display: flex; align-items: center; gap: 8px; }
.hero-points span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--orange-soft); box-shadow: 0 0 0 5px rgba(241,90,36,.12); }

.hero-visual { min-height: 570px; position: relative; display: grid; place-items: center; }
.device-glow { position: absolute; width: 390px; height: 390px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.25), rgba(255,255,255,0) 68%); }
.device-stand { position: relative; width: min(390px, 90%); z-index: 2; filter: drop-shadow(0 30px 25px rgba(4,12,43,.4)); }
.floating-card { position: absolute; z-index: 4; display: flex; align-items: center; gap: 12px; padding: 13px 16px; border: 1px solid rgba(255,255,255,.26); border-radius: 16px; background: rgba(255,255,255,.95); color: var(--ink); box-shadow: 0 20px 50px rgba(6,18,61,.25); }
.floating-card strong { display: block; font-size: 13px; }
.floating-card small { color: var(--muted); font-size: 11px; }
.floating-card-top { top: 96px; right: -4px; }
.floating-card-bottom { left: -5px; bottom: 66px; }
.status-dot { width: 12px; height: 12px; border-radius: 50%; background: #2ecc71; box-shadow: 0 0 0 5px rgba(46,204,113,.15); }
.mini-icon { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: #eef2ff; color: var(--blue); font-weight: 900; }

.trust-strip { background: #fff; border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.trust-grid div { padding: 24px 28px; border-right: 1px solid var(--line); }
.trust-grid div:first-child { padding-left: 0; }
.trust-grid div:last-child { border-right: 0; }
.trust-grid strong, .trust-grid span { display: block; }
.trust-grid strong { color: var(--blue); font-size: 14px; }
.trust-grid span { margin-top: 2px; color: var(--muted); font-size: 12px; }

.section { padding: 104px 0; }
.section-muted { background: var(--wash); }
.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 78px; }
.align-center { align-items: center; }
.section-copy h2, .section-heading h2 { margin: 0 0 20px; font-size: clamp(34px, 4.4vw, 56px); line-height: 1.04; letter-spacing: -.04em; color: var(--navy); }
.section-copy p, .section-heading p { color: var(--muted); font-size: 17px; }
.section-heading { max-width: 780px; margin-bottom: 48px; }
.section-heading.center { margin-left: auto; margin-right: auto; text-align: center; }
.check-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.check-list li { position: relative; padding-left: 31px; color: #344054; font-weight: 650; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 21px; height: 21px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--orange); font-size: 12px; }
.photo-card { margin: 0; overflow: hidden; border-radius: 32px; background: #eef2f7; box-shadow: var(--shadow); }
.photo-card img { width: 100%; max-height: 720px; object-fit: cover; object-position: center 52%; }
.photo-card figcaption { padding: 14px 20px 18px; font-size: 12px; color: var(--muted); background: #fff; }

.features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.feature-card { min-height: 265px; padding: 28px; border: 1px solid #e7eaf1; border-radius: 22px; background: #fff; box-shadow: 0 12px 34px rgba(17,36,95,.05); transition: transform .2s ease, box-shadow .2s ease; }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.icon-box { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 14px; background: #edf2ff; color: var(--blue); font-weight: 900; }
.feature-card h3 { margin: 48px 0 10px; font-size: 20px; color: var(--navy); }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; }

.app-section { overflow: hidden; }
.phone-showcase { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.phone-item { display: flex; flex-direction: column; gap: 20px; }
.phone-frame { position: relative; overflow: hidden; border: 8px solid #10142a; border-radius: 31px; background: #10142a; box-shadow: 0 20px 50px rgba(16,36,95,.15); aspect-ratio: .49; }
.phone-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.phone-text { padding: 0 8px; }
.phone-text .step { color: var(--orange); font-size: 12px; font-weight: 900; letter-spacing: .14em; }
.phone-text h3 { margin: 6px 0 7px; color: var(--navy); font-size: 20px; }
.phone-text p { margin: 0; color: var(--muted); font-size: 13px; }

.roles-section { color: #fff; background: linear-gradient(120deg, #0c1d55, #183b99); }
.roles-section .eyebrow { color: #ff9d73; }
.roles-section h2 { color: #fff; }
.roles-section .roles-copy > p:not(.eyebrow) { color: rgba(255,255,255,.76); font-size: 17px; }
.role-cards { display: grid; gap: 13px; }
.role-card { padding: 24px 26px; border: 1px solid rgba(255,255,255,.12); border-radius: 20px; background: rgba(255,255,255,.07); }
.role-card span { color: #ff9d73; font-size: 11px; font-weight: 900; letter-spacing: .16em; }
.role-card h3 { margin: 8px 0 6px; font-size: 20px; }
.role-card p { margin: 0; color: rgba(255,255,255,.7); font-size: 13px; }

.timeline { position: relative; display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.timeline::before { content: ""; position: absolute; top: 24px; left: 6%; right: 6%; height: 2px; background: linear-gradient(90deg, var(--orange), var(--blue)); opacity: .28; }
.timeline-item { position: relative; z-index: 2; }
.timeline-item > span { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; background: var(--navy); color: #fff; border: 6px solid var(--wash); font-weight: 900; }
.timeline-item div { margin-top: 20px; padding-right: 20px; }
.timeline-item h3 { color: var(--navy); font-size: 18px; }
.timeline-item p { color: var(--muted); font-size: 13px; }

.bhp-visual { position: relative; min-height: 610px; display: grid; place-items: center; }
.bhp-card { width: min(345px, 82%); overflow: hidden; border-radius: 30px; border: 8px solid #10142a; box-shadow: var(--shadow); transform: rotate(-3deg); }
.bhp-card img { width: 100%; }
.bhp-badge { position: absolute; right: 4%; bottom: 14%; max-width: 220px; padding: 19px 20px; border-radius: 20px; color: #fff; background: linear-gradient(135deg, var(--orange), #ff7a45); box-shadow: 0 20px 50px rgba(241,90,36,.25); }
.bhp-badge strong, .bhp-badge span { display: block; }
.bhp-badge strong { font-size: 26px; }
.bhp-badge span { font-size: 12px; opacity: .85; }
.note-card { margin-top: 28px; padding: 22px 24px; border-left: 4px solid var(--orange); border-radius: 0 16px 16px 0; background: #fff7f3; }
.note-card strong { color: var(--navy); }
.note-card p { margin: 4px 0 0; font-size: 14px; }

.specs-section { border-top: 1px solid var(--line); }
.spec-table-wrap { overflow: hidden; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); }
.spec-table { width: 100%; border-collapse: collapse; background: #fff; }
.spec-table th, .spec-table td { padding: 18px 16px; text-align: left; border-bottom: 1px solid var(--line); font-size: 13px; }
.spec-table th { background: var(--navy); color: #fff; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.spec-table tr:last-child td { border-bottom: 0; }
.spec-table td:first-child { color: var(--orange); font-weight: 900; }

.faq-section { background: #fff; }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.accordion details { border-top: 1px solid var(--line); }
.accordion details:last-child { border-bottom: 1px solid var(--line); }
.accordion summary { cursor: pointer; list-style: none; padding: 22px 42px 22px 0; font-weight: 800; color: var(--navy); position: relative; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-size: 26px; color: var(--orange); font-weight: 500; }
.accordion details[open] summary::after { content: "−"; }
.accordion details p { margin: -7px 0 22px; color: var(--muted); font-size: 14px; max-width: 670px; }

.cta-section { padding: 30px 0 90px; }
.cta-card { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 48px 54px; border-radius: 28px; color: #fff; background: linear-gradient(120deg, var(--blue), #254ec3 60%, #ef5b25); box-shadow: var(--shadow); }
.cta-card h2 { margin: 4px 0 10px; font-size: clamp(32px, 4vw, 48px); line-height: 1.04; letter-spacing: -.035em; }
.cta-card p:not(.eyebrow) { margin: 0; max-width: 700px; color: rgba(255,255,255,.78); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 10px; min-width: max-content; }

.site-footer { padding: 58px 0 24px; color: #cfd6ea; background: #081438; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr .7fr; gap: 42px; }
.footer-logo { width: 210px; filter: brightness(0) invert(1); opacity: .92; }
.site-footer h3 { margin-top: 0; color: #fff; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.site-footer p { font-size: 13px; color: #9fa9c3; }
.site-footer a:hover { color: #fff; }
.footer-bottom { margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; color: #7f8aa7; font-size: 12px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; transition-delay: var(--delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .site-nav { position: absolute; left: 20px; right: 20px; top: 70px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 14px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 10px; }
  .site-nav .btn { margin-top: 6px; }
  .nav-toggle { display: block; }
  .hero { padding-top: 68px; }
  .hero-grid, .split-grid, .faq-grid { grid-template-columns: 1fr; gap: 50px; }
  .hero-visual { min-height: 480px; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid div { border-bottom: 1px solid var(--line); }
  .trust-grid div:nth-child(2) { border-right: 0; }
  .trust-grid div:first-child { padding-left: 28px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .phone-showcase { grid-template-columns: 1fr 1fr; gap: 46px 24px; }
  .timeline { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
  .timeline::before { display: none; }
  .cta-card { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-grid > div:last-child { display: none; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1180px); }
  .nav-wrap { min-height: 68px; }
  .brand img { width: 188px; }
  .hero { padding: 55px 0 50px; }
  .hero-copy h1 { font-size: 43px; }
  .hero-copy .lead { font-size: 17px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-visual { min-height: 430px; }
  .device-stand { width: 300px; }
  .floating-card { transform: scale(.9); }
  .floating-card-top { right: -8px; top: 48px; }
  .floating-card-bottom { left: -12px; bottom: 42px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid div { border-right: 0; padding-left: 0 !important; }
  .section { padding: 74px 0; }
  .section-copy h2, .section-heading h2 { font-size: 36px; }
  .features-grid, .phone-showcase, .timeline { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .feature-card h3 { margin-top: 30px; }
  .phone-item { max-width: 360px; margin: 0 auto; }
  .bhp-visual { min-height: 520px; }
  .spec-table { min-width: 650px; }
  .spec-table-wrap { overflow-x: auto; }
  .cta-section { padding-bottom: 60px; }
  .cta-card { padding: 34px 26px; }
  .cta-actions, .cta-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:last-child { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}