:root {
    --navy: #0b1f33;
    --navy-deep: #071726;
    --slate: #2c3e50;
    --steel: #3f5873;
    --blue: #2f80ed;
    --blue-dark: #216ad0;
    --cyan: #29b6f6;
    --teal: #16a6a1;
    --cloud: #f4f6f9;
    --white: #ffffff;
    --ink: #10263b;
    --muted: #607286;
    --line: #dce4ec;
    --shadow: 0 24px 80px rgba(11, 31, 51, .12);
    --radius: 24px;
    --shell: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--navy); line-height: 1.08; letter-spacing: -.035em; }
h1 { font-size: clamp(3rem, 7vw, 6.7rem); }
h2 { font-size: clamp(2.1rem, 4.2vw, 4.1rem); }
h3 { font-size: 1.35rem; }
p { color: var(--muted); }

.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.section { padding: clamp(80px, 10vw, 140px) 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 1000; padding: 12px 18px; border-radius: 10px; color: white; background: var(--blue); transform: translateY(-150%); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 78px;
    border-bottom: 1px solid rgba(11, 31, 51, .08);
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(18px);
    transition: box-shadow .25s ease, height .25s ease;
}
.site-header.is-scrolled { box-shadow: 0 12px 32px rgba(11, 31, 51, .08); }
.nav-shell { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand-link { display: inline-flex; align-items: center; width: 174px; }
.brand-link img { width: 100%; height: auto; }
.primary-nav { display: flex; align-items: center; gap: 30px; }
.primary-nav > a { position: relative; color: var(--slate); font-size: .92rem; font-weight: 650; text-decoration: none; }
.primary-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--blue); transition: right .2s ease; }
.primary-nav > a:not(.nav-cta):hover::after, .primary-nav > a.is-active::after { right: 0; }
.nav-cta { min-height: 46px; display: inline-flex; align-items: center; gap: 12px; padding: 0 20px; border-radius: 999px; color: white !important; background: var(--navy); }
.nav-cta span { color: var(--cyan); }
.nav-cta:hover { background: var(--blue); }
.nav-toggle { display: none; width: 48px; height: 48px; padding: 12px; border: 0; border-radius: 12px; background: var(--cloud); cursor: pointer; }
.nav-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; border-radius: 2px; background: var(--navy); transition: transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] > span:nth-child(2) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] > span:nth-child(3) { opacity: 0; }
.nav-toggle[aria-expanded="true"] > span:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }

.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; color: var(--blue); font-size: .74rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow > span { width: 28px; height: 2px; background: currentColor; }
.eyebrow-light { color: var(--cyan); }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 14px; padding: 0 24px; border: 1px solid transparent; border-radius: 999px; font-size: .92rem; font-weight: 750; line-height: 1; text-decoration: none; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--blue); box-shadow: 0 14px 30px rgba(47, 128, 237, .25); }
.button-primary:hover { background: var(--blue-dark); }
.button-ghost { color: white; border-color: rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .05); }
.button-ghost:hover { border-color: white; background: rgba(255, 255, 255, .1); }
.button-light { color: var(--navy); background: white; }
.text-link { display: inline-flex; align-items: center; gap: 12px; color: var(--blue); font-weight: 800; text-decoration: none; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(5px); }

.home-hero, .product-hero { position: relative; overflow: hidden; color: white; background: var(--navy); }
.home-hero { min-height: 720px; display: flex; align-items: center; padding: 100px 0 110px; }
.hero-grid { position: absolute; inset: 0; opacity: .11; background-image: linear-gradient(rgba(255,255,255,.28) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.28) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to right, transparent 3%, black 45%, transparent 100%); }
.hero-orbit { position: absolute; border: 1px solid rgba(41, 182, 246, .18); border-radius: 50%; }
.hero-orbit-one { width: 680px; height: 680px; right: -220px; top: -210px; }
.hero-orbit-two { width: 420px; height: 420px; right: 3%; bottom: -280px; }
.home-hero-grid, .product-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr); gap: clamp(50px, 8vw, 110px); align-items: center; }
.hero-copy h1, .product-hero h1 { margin-bottom: 26px; color: white; }
.hero-copy h1 em, .product-hero h1 em { color: var(--cyan); font-family: Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -.05em; }
.hero-lead, .product-hero-grid > div > p { max-width: 650px; margin-bottom: 32px; color: #b8c9d9; font-size: clamp(1.08rem, 1.8vw, 1.28rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 42px; color: #b8c9d9; font-size: .82rem; }
.hero-proof span { display: flex; align-items: center; gap: 8px; }
.hero-proof span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(22,166,161,.12); }

.hero-visual { position: relative; min-height: 430px; }
.visual-card { border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.08); box-shadow: 0 28px 90px rgba(0,0,0,.28); backdrop-filter: blur(16px); }
.visual-card-main { position: absolute; inset: 40px 15px 20px 20px; padding: 30px; border-radius: 26px; transform: perspective(1000px) rotateY(-5deg) rotateX(2deg); }
.visual-card-head { display: flex; justify-content: space-between; color: #d8e5f0; font-size: .82rem; font-weight: 700; }
.live-indicator { display: inline-flex; align-items: center; gap: 7px; color: #bfeeea; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.live-indicator i, .status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 5px rgba(22,166,161,.12); }
.flight-route { display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; margin: 70px 0 58px; }
.flight-route > div:not(.route-line) { display: flex; flex-direction: column; }
.flight-route strong { color: white; font-size: 2rem; letter-spacing: .02em; }
.flight-route small { color: #8fa6ba; }
.route-line { position: relative; height: 1px; border-top: 1px dashed rgba(255,255,255,.4); }
.route-line::before, .route-line::after { content: ""; position: absolute; top: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }
.route-line::before { left: 0; } .route-line::after { right: 0; }
.route-line span { position: absolute; left: 53%; top: 50%; color: var(--cyan); font-size: 1.35rem; transform: translate(-50%,-50%) rotate(5deg); }
.status-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.status-grid div { padding: 16px; border-radius: 14px; background: rgba(255,255,255,.07); }
.status-grid small, .status-grid strong { display: block; }
.status-grid small { margin-bottom: 4px; color: #8fa6ba; font-size: .7rem; }
.status-grid strong { color: white; font-size: .93rem; }
.visual-card-float { position: absolute; z-index: 2; display: flex; align-items: center; gap: 12px; padding: 15px 18px; border-radius: 15px; color: white; font-size: .78rem; }
.visual-card-top { top: 0; right: -12px; }
.visual-card-bottom { left: -12px; bottom: 0; }
.visual-card-bottom strong { color: var(--cyan); font-size: 1.5rem; }
.visual-card-bottom span { color: #dce8f2; }

.intro-section { background: white; }
.split-heading { display: grid; grid-template-columns: minmax(180px, .65fr) minmax(0, 1.35fr); gap: 70px; }
.split-heading h2 { max-width: 850px; margin-bottom: 24px; }
.split-heading > div > p { max-width: 720px; font-size: 1.12rem; }
.products-section { background: var(--cloud); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 50px; margin-bottom: 55px; }
.section-heading h2 { max-width: 720px; margin-bottom: 0; }
.section-heading > p { max-width: 430px; margin-bottom: 6px; }
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; }
.product-panel { position: relative; min-height: 610px; overflow: hidden; padding: clamp(30px, 4vw, 52px); border: 1px solid var(--line); border-radius: var(--radius); background: white; box-shadow: 0 14px 55px rgba(11,31,51,.06); }
.product-panel > *:not(.panel-graphic) { position: relative; z-index: 2; }
.product-number { position: absolute !important; right: 34px; top: 30px; color: #a6b5c3; font-size: .75rem; font-weight: 800; letter-spacing: .12em; }
.product-wordmark { width: 220px; margin: 16px 0 35px; }
.spm-mark { min-height: 78px; display: flex; flex-direction: column; justify-content: center; margin: 4px 0 28px; }
.spm-mark span { color: var(--navy); font-size: 2.75rem; font-weight: 850; letter-spacing: -.05em; line-height: 1; }
.spm-mark small { margin-top: 8px; color: var(--blue); font-size: .67rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.product-panel > p { max-width: 440px; font-size: 1.05rem; }
.check-list { display: grid; gap: 10px; margin: 28px 0 32px; padding: 0; list-style: none; }
.check-list li { display: flex; align-items: center; gap: 11px; color: var(--slate); font-size: .9rem; }
.check-list li::before { content: "✓"; width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; color: var(--teal); background: rgba(22,166,161,.1); font-size: .7rem; font-weight: 900; }
.panel-graphic { position: absolute; z-index: 1; right: -50px; bottom: -56px; width: 310px; height: 230px; opacity: .9; }
.load-graphic { border: 24px solid rgba(22,166,161,.09); border-radius: 50%; }
.load-graphic::before, .load-graphic::after { content: ""; position: absolute; left: 50%; top: 50%; background: rgba(47,128,237,.18); transform: translate(-50%,-50%); }
.load-graphic::before { width: 150%; height: 18px; border-radius: 50%; }
.load-graphic::after { width: 18px; height: 150%; border-radius: 50%; }
.load-graphic span { position: absolute; left: 50%; top: 50%; width: 64px; height: 64px; border: 16px solid rgba(11,31,51,.12); border-radius: 50%; transform: translate(-50%,-50%); }
.chart-graphic { display: flex; align-items: end; gap: 9px; padding: 35px; border: 1px solid rgba(47,128,237,.1); border-radius: 24px; transform: rotate(-4deg); }
.chart-graphic span { flex: 1; border-radius: 5px 5px 0 0; background: linear-gradient(var(--cyan), var(--blue)); }
.chart-graphic span:nth-child(1) { height: 35%; }.chart-graphic span:nth-child(2) { height: 52%; }.chart-graphic span:nth-child(3) { height: 46%; }.chart-graphic span:nth-child(4) { height: 74%; }.chart-graphic span:nth-child(5) { height: 88%; }

.principles-section, .product-bridge, .dark-callout, .continuity-section { color: white; background: var(--navy); }
.principles-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.principles-copy h2, .product-bridge h2, .dark-callout h2, .continuity-section h2 { color: white; }
.principles-copy > p:not(.eyebrow) { max-width: 480px; margin: 26px 0 32px; color: #aabed0; }
.principle-list { border-top: 1px solid rgba(255,255,255,.15); }
.principle-list article { display: grid; grid-template-columns: 54px 1fr; gap: 24px; padding: 28px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.principle-list article > span { color: var(--cyan); font-size: .74rem; font-weight: 800; }
.principle-list h3 { margin-bottom: 8px; color: white; }
.principle-list p { margin: 0; color: #9eb3c5; }
.cta-section { padding: clamp(70px, 8vw, 105px) 0; }
.cta-panel { display: flex; justify-content: space-between; align-items: center; gap: 40px; padding: clamp(36px, 5vw, 66px); border: 1px solid #dbe5ef; border-radius: var(--radius); background: linear-gradient(135deg, #f7fafd, #eef5fb); }
.cta-panel h2 { max-width: 720px; margin-bottom: 0; font-size: clamp(2rem, 4vw, 3.6rem); }

.site-footer { padding: 74px 0 24px; border-top: 1px solid var(--line); background: white; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .8fr .6fr; gap: 60px; padding-bottom: 60px; }
.footer-brand img { width: 180px; margin-bottom: 24px; }
.footer-brand p { max-width: 390px; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 11px; }
.footer-links a { color: var(--muted); font-size: .9rem; text-decoration: none; }
.footer-links a:hover { color: var(--blue); }
.footer-label { margin-bottom: 6px; color: var(--navy); font-size: .72rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; border-top: 1px solid var(--line); color: #8292a2; font-size: .78rem; }

.page-hero, .contact-hero { padding: clamp(90px, 11vw, 150px) 0; color: white; background: var(--navy); }
.page-hero-grid, .contact-hero-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 80px; align-items: end; }
.page-hero h1, .contact-hero h1 { max-width: 860px; margin-bottom: 0; color: white; font-size: clamp(3rem, 6vw, 5.8rem); }
.page-hero-grid > p, .contact-hero-grid > p { max-width: 500px; margin-bottom: 10px; color: #aabed0; font-size: 1.12rem; }
.page-hero-compact { padding: 100px 0; }
.page-hero-compact h1 { margin-bottom: 0; color: white; }
.story-grid { display: grid; grid-template-columns: .6fr 1.4fr; gap: 80px; align-items: start; }
.story-marker { position: sticky; top: 130px; display: grid; place-items: center; min-height: 360px; border-radius: var(--radius); background: var(--cloud); }
.story-marker img { width: 180px; opacity: .94; }
.story-copy h2 { max-width: 800px; }
.story-copy p { max-width: 750px; }
.large-copy { margin: 36px 0 22px; color: var(--slate); font-size: clamp(1.2rem, 2.2vw, 1.65rem); }
.values-section { background: var(--cloud); }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #cad5df; border-left: 1px solid #cad5df; }
.value-grid article { min-height: 300px; padding: 34px 28px; border-right: 1px solid #cad5df; border-bottom: 1px solid #cad5df; background: rgba(255,255,255,.45); }
.value-grid article > span { color: var(--blue); font-size: .72rem; font-weight: 850; }
.value-grid h3 { margin: 80px 0 14px; }
.value-grid p { margin-bottom: 0; font-size: .9rem; }
.product-bridge-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.bridge-links { border-top: 1px solid rgba(255,255,255,.16); }
.bridge-links a { min-height: 110px; display: flex; justify-content: space-between; align-items: center; padding: 20px 4px; border-bottom: 1px solid rgba(255,255,255,.16); text-decoration: none; }
.bridge-links span { display: flex; flex-direction: column; }
.bridge-links strong { color: white; font-size: 1.3rem; }
.bridge-links small { color: #9eb3c5; }
.bridge-links i { color: var(--cyan); font-size: 1.7rem; font-style: normal; transition: transform .2s ease; }
.bridge-links a:hover i { transform: translateX(6px); }

.product-hero { padding: clamp(90px, 10vw, 140px) 0; }
.product-hero h1 { font-size: clamp(3rem, 6vw, 5.9rem); }
.hero-product-logo { width: 195px; margin-bottom: 44px; padding: 13px 18px; border-radius: 12px; background: white; }
.optiload-hero-frame { position: relative; padding: 12px; border: 1px solid rgba(255,255,255,.16); border-radius: 24px; background: rgba(255,255,255,.08); box-shadow: 0 34px 90px rgba(0,0,0,.32); transform: perspective(1200px) rotateY(-4deg); }
.optiload-hero-frame img { width: 100%; border-radius: 15px; }
.frame-label { position: absolute; right: 24px; bottom: -38px; min-width: 245px; padding: 18px 22px; border-radius: 15px; background: white; box-shadow: var(--shadow); }
.frame-label span, .frame-label strong { display: block; }
.frame-label span { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; color: var(--teal); font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.frame-label span i { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }
.frame-label strong { color: var(--navy); font-size: .9rem; }
.product-strip { border-bottom: 1px solid var(--line); background: white; }
.product-strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.product-strip-grid div { padding: 28px 22px; border-right: 1px solid var(--line); }
.product-strip-grid div:first-child { border-left: 1px solid var(--line); }
.product-strip strong, .product-strip span { display: block; }
.product-strip strong { margin-bottom: 3px; color: var(--navy); font-size: .9rem; }
.product-strip span { color: var(--muted); font-size: .76rem; }
.workflow-section { padding-top: 40px; background: var(--cloud); }
.workflow-list { display: grid; gap: 90px; }
.workflow-item { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(40px, 7vw, 90px); align-items: center; }
.workflow-item-reverse .workflow-copy { order: 2; }
.workflow-copy > span { display: block; margin-bottom: 35px; color: var(--blue); font-size: .72rem; font-weight: 850; letter-spacing: .12em; }
.workflow-copy h3 { font-size: clamp(1.8rem, 3vw, 2.7rem); }
.workflow-copy p { font-size: 1.02rem; }
.screenshot-button { position: relative; overflow: hidden; padding: 10px; border: 1px solid #d2dde7; border-radius: 20px; background: white; box-shadow: 0 24px 60px rgba(11,31,51,.12); cursor: zoom-in; }
.screenshot-button img { width: 100%; border-radius: 12px; transition: transform .3s ease; }
.screenshot-button span { position: absolute; right: 22px; bottom: 22px; padding: 9px 13px; border-radius: 999px; color: white; background: rgba(11,31,51,.88); font-size: .72rem; font-weight: 750; opacity: 0; transform: translateY(5px); transition: opacity .2s ease, transform .2s ease; }
.screenshot-button:hover img { transform: scale(1.012); }
.screenshot-button:hover span { opacity: 1; transform: translateY(0); }
.continuity-grid, .dark-callout-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.continuity-grid > div:last-child > p { margin-bottom: 28px; color: #aabed0; font-size: 1.1rem; }
.image-dialog { width: min(96vw, 1500px); max-width: none; padding: 48px 18px 18px; border: 0; border-radius: 18px; background: #07131f; box-shadow: 0 30px 100px rgba(0,0,0,.65); }
.image-dialog::backdrop { background: rgba(3,12,20,.9); backdrop-filter: blur(6px); }
.image-dialog img { width: auto; max-width: 100%; max-height: calc(92vh - 66px); margin: auto; border-radius: 10px; }
.image-dialog > button { position: absolute; right: 12px; top: 8px; width: 38px; height: 38px; border: 0; color: white; background: transparent; font-size: 2rem; line-height: 1; cursor: pointer; }

.spm-dashboard { padding: 26px; border: 1px solid rgba(255,255,255,.16); border-radius: 24px; background: rgba(255,255,255,.08); box-shadow: 0 34px 90px rgba(0,0,0,.3); backdrop-filter: blur(12px); }
.dashboard-top { display: flex; justify-content: space-between; margin-bottom: 22px; color: #dce8f2; font-size: .82rem; font-weight: 750; }
.kpi-row { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.kpi-row div { padding: 20px; border-radius: 14px; background: rgba(255,255,255,.07); }
.kpi-row small, .kpi-row strong, .kpi-row span { display: block; }
.kpi-row small { color: #8fa6ba; }.kpi-row strong { color: white; font-size: 2rem; }.kpi-row span { color: #86ddd9; font-size: .72rem; }
.dashboard-chart { height: 190px; display: flex; align-items: end; gap: 12px; margin-top: 30px; padding: 24px 20px 0; border-left: 1px solid rgba(255,255,255,.13); border-bottom: 1px solid rgba(255,255,255,.13); }
.dashboard-chart span { flex: 1; min-width: 12px; border-radius: 5px 5px 0 0; background: linear-gradient(to top, var(--blue), var(--cyan)); opacity: .85; }
.capability-section { background: var(--cloud); }
.capability-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.capability-grid article { min-height: 245px; padding: 34px; border: 1px solid var(--line); border-radius: 20px; background: white; }
.capability-icon { width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 52px; border-radius: 50%; color: var(--blue); background: #eef5ff; font-size: .68rem; font-weight: 850; }
.capability-grid h3 { margin-bottom: 12px; }
.capability-grid p { margin-bottom: 0; }
.role-stack { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.role-stack span { padding: 24px; border: 1px solid rgba(255,255,255,.15); border-radius: 14px; color: white; background: rgba(255,255,255,.05); font-weight: 700; }

.contact-hero { background: linear-gradient(125deg, var(--navy) 0%, #102d49 100%); }
.contact-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: stretch; }
.contact-card, .contact-aside { padding: clamp(30px, 5vw, 58px); border-radius: var(--radius); }
.contact-card { border: 1px solid var(--line); background: white; box-shadow: 0 20px 70px rgba(11,31,51,.08); }
.contact-card h2 { max-width: 650px; }
.contact-card > p:not(.eyebrow) { max-width: 700px; }
.contact-prompt-list { display: grid; gap: 0; margin: 35px 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.contact-prompt-list li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact-prompt-list li > span { color: var(--blue); font-size: .7rem; font-weight: 850; }
.contact-prompt-list strong, .contact-prompt-list small { display: block; }
.contact-prompt-list small { margin-top: 3px; color: var(--muted); }
.contact-email { margin-top: 6px; }
.contact-aside { color: white; background: var(--navy); }
.contact-aside h3 { margin: 38px 0 26px; color: white; font-size: 2rem; }
.contact-route { display: flex; align-items: center; color: var(--cyan); }
.contact-route span { flex: 1; border-top: 1px dashed rgba(255,255,255,.38); }
.contact-route i { padding: 0 14px; font-style: normal; }
.expectation-list { display: grid; }
.expectation-list article { display: grid; grid-template-columns: 38px 1fr; gap: 12px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.14); }
.expectation-list article > span { color: var(--cyan); font-size: .68rem; font-weight: 850; }
.expectation-list strong { color: white; }
.expectation-list p { margin: 5px 0 0; color: #9eb3c5; font-size: .88rem; }

.legal-layout { display: grid; grid-template-columns: 240px minmax(0,760px); gap: 90px; }
.legal-layout aside { display: flex; flex-direction: column; padding-top: 10px; color: var(--muted); font-size: .8rem; }
.legal-layout aside strong { margin-top: 4px; color: var(--navy); }
.legal-copy h2 { margin-bottom: 30px; }
.legal-copy h3 { margin-top: 38px; }
.legal-copy a { color: var(--blue); }

@media (max-width: 1020px) {
    .home-hero-grid, .product-hero-grid { grid-template-columns: 1fr; }
    .home-hero { min-height: auto; }
    .hero-copy { max-width: 760px; }
    .hero-visual { width: min(100%, 620px); margin-inline: auto; }
    .product-hero-grid { gap: 70px; }
    .optiload-hero-frame, .spm-dashboard { width: min(100%, 720px); margin-inline: auto; }
    .value-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 860px) {
    .shell { width: min(calc(100% - 32px), var(--shell)); }
    .site-header { height: 70px; }
    .brand-link { width: 148px; }
    .nav-toggle { display: block; }
    .primary-nav { position: fixed; inset: 70px 0 auto 0; display: grid; gap: 0; padding: 20px 16px 28px; border-top: 1px solid var(--line); background: white; box-shadow: 0 28px 50px rgba(11,31,51,.15); opacity: 0; visibility: hidden; transform: translateY(-14px); transition: opacity .2s ease, visibility .2s ease, transform .2s ease; }
    .primary-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
    .primary-nav > a { min-height: 52px; display: flex; align-items: center; padding: 0 12px; border-bottom: 1px solid var(--line); }
    .primary-nav > a::after { display: none; }
    .primary-nav .nav-cta { justify-content: center; margin-top: 16px; border-bottom: 0; }
    .split-heading, .principles-grid, .page-hero-grid, .contact-hero-grid, .story-grid, .product-bridge-grid, .continuity-grid, .dark-callout-grid, .contact-grid, .legal-layout { grid-template-columns: 1fr; gap: 42px; }
    .section-heading { align-items: start; flex-direction: column; gap: 20px; }
    .product-grid { grid-template-columns: 1fr; }
    .product-panel { min-height: 560px; }
    .principles-grid { gap: 60px; }
    .story-marker { position: static; min-height: 250px; }
    .workflow-item { grid-template-columns: 1fr; gap: 28px; }
    .workflow-item-reverse .workflow-copy { order: 0; }
    .product-strip-grid { grid-template-columns: repeat(2,1fr); }
    .product-strip-grid div:nth-child(3) { border-left: 1px solid var(--line); }
    .product-strip-grid div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .cta-panel { align-items: start; flex-direction: column; }
}

@media (max-width: 600px) {
    .shell { width: min(calc(100% - 28px), var(--shell)); }
    .section { padding: 78px 0; }
    h1 { font-size: clamp(2.7rem, 13vw, 4.2rem); }
    h2 { font-size: clamp(2rem, 10vw, 3rem); }
    .home-hero { padding: 76px 0 86px; }
    .home-hero-grid { gap: 58px; }
    .hero-actions { align-items: stretch; flex-direction: column; }
    .hero-actions .button { width: 100%; }
    .hero-proof { display: grid; gap: 12px; }
    .hero-visual { min-height: 350px; }
    .visual-card-main { inset: 30px 0 12px 0; padding: 22px 18px; transform: none; }
    .visual-card-top { right: -4px; }
    .visual-card-bottom { left: -4px; }
    .flight-route { gap: 12px; margin: 62px 0 45px; }
    .flight-route strong { font-size: 1.45rem; }
    .status-grid { gap: 6px; }
    .status-grid div { padding: 11px 8px; }
    .status-grid small { font-size: .6rem; }
    .status-grid strong { font-size: .76rem; }
    .product-panel { min-height: 570px; padding: 28px 24px; }
    .product-wordmark { width: 180px; }
    .value-grid, .capability-grid, .role-stack { grid-template-columns: 1fr; }
    .value-grid article { min-height: 230px; }
    .value-grid h3 { margin-top: 50px; }
    .product-strip-grid { grid-template-columns: 1fr; }
    .product-strip-grid div, .product-strip-grid div:nth-child(3), .product-strip-grid div:first-child { border-left: 1px solid var(--line); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .product-hero { padding: 78px 0 100px; }
    .hero-product-logo { margin-bottom: 34px; }
    .optiload-hero-frame { padding: 7px; border-radius: 16px; transform: none; }
    .frame-label { right: 14px; bottom: -45px; min-width: 220px; }
    .workflow-list { gap: 70px; }
    .screenshot-button { padding: 6px; border-radius: 14px; }
    .screenshot-button span { display: none; }
    .cta-panel { padding: 32px 24px; }
    .cta-panel .button, .contact-email { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
    .footer-brand { grid-column: auto; }
    .footer-bottom { flex-direction: column; }
    .page-hero, .contact-hero { padding: 82px 0; }
    .story-marker { min-height: 200px; }
    .story-marker img { width: 125px; }
    .contact-card, .contact-aside { padding: 30px 22px; }
    .legal-layout { gap: 26px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
