:root {
  --bg: #071421;
  --bg-2: #0b1d2f;
  --surface: #102942;
  --surface-2: #143552;
  --text: #f5f9ff;
  --muted: #a7b8ca;
  --blue: #2397ec;
  --blue-2: #5bbcff;
  --green: #20c997;
  --amber: #ffb429;
  --red: #ff5563;
  --line: rgba(148, 186, 219, .18);
  --shadow: 0 28px 70px rgba(0, 0, 0, .35);
  --radius: 24px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; color: var(--text); background: var(--bg); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 9999; padding: 10px 16px; color: #071421; background: #fff; border-radius: 10px; font-weight: 800; transition: top .2s; }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(7, 20, 33, .78); border-bottom: 1px solid transparent; backdrop-filter: blur(18px); transition: border-color .2s, box-shadow .2s; }
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 8px 30px rgba(0, 0, 0, .18); }
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); text-decoration: none; font-size: 1.08rem; font-weight: 850; letter-spacing: -.02em; }
.brand img { width: 44px; height: 44px; border-radius: 13px; object-fit: cover; box-shadow: 0 7px 20px rgba(35, 151, 236, .25); }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav > a:not(.button) { color: #c5d2df; text-decoration: none; font-size: .93rem; font-weight: 650; transition: color .2s; }
.main-nav > a:not(.button):hover { color: #fff; }
.menu-button { display: none; width: 44px; height: 44px; padding: 10px; color: #fff; background: transparent; border: 0; }
.menu-button span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: currentColor; border-radius: 2px; }

.button { min-height: 50px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border: 1px solid transparent; border-radius: 14px; color: #fff; text-decoration: none; font-weight: 800; line-height: 1.2; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }
.button-primary { background: linear-gradient(135deg, #128be2, #35adfa); box-shadow: 0 14px 35px rgba(35, 151, 236, .25); }
.button-primary:hover { box-shadow: 0 18px 42px rgba(35, 151, 236, .4); }
.button-ghost { color: #d9e8f6; background: rgba(255,255,255,.055); border-color: var(--line); }
.button-small { min-height: 42px; padding-inline: 17px; border-radius: 12px; background: var(--blue); }
.button-white { color: #0873bc; background: #fff; }
.button-outline-light { border-color: rgba(255,255,255,.55); background: rgba(255,255,255,.06); }
.button-block { width: 100%; }
.text-link, .pdf-link { display: inline-flex; gap: 8px; align-items: center; color: var(--blue-2); font-weight: 800; text-underline-offset: 4px; }

.hero { position: relative; min-height: 760px; overflow: hidden; display: flex; align-items: center; padding: 78px 0 96px; background: radial-gradient(circle at 75% 30%, rgba(24, 139, 224, .12), transparent 31%), linear-gradient(180deg, #071421, #081828); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 70px 70px; mask-image: linear-gradient(to bottom, #000, transparent 88%); }
.hero-glow { position: absolute; width: 460px; height: 460px; right: 8%; top: 12%; background: rgba(35, 151, 236, .16); filter: blur(90px); border-radius: 50%; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr .8fr; align-items: center; gap: 78px; }
.eyebrow { margin: 0 0 18px; display: flex; align-items: center; gap: 10px; color: var(--blue-2); font-size: .78rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow span { width: 28px; height: 2px; background: currentColor; }
.eyebrow.light { color: #dff4ff; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.13; letter-spacing: -.035em; }
.hero h1 { max-width: 700px; margin-bottom: 24px; font-size: clamp(3rem, 6vw, 5.6rem); }
.hero h1 em { color: var(--blue-2); font-style: normal; }
.hero-lead { max-width: 650px; margin-bottom: 32px; color: #b8c8d9; font-size: clamp(1.05rem, 2vw, 1.26rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
.download-facts { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 8px 24px; color: #8298ac; font-size: .82rem; }
.download-facts span { display: flex; gap: 6px; }
.download-facts b { color: #dbe8f3; }
.hero-visual { position: relative; min-height: 620px; display: grid; place-items: center; }
.phone { position: relative; padding: 9px; overflow: hidden; display: block; color: inherit; background: #050c14; border: 1px solid rgba(142, 187, 226, .35); border-radius: 37px; box-shadow: var(--shadow); }
.phone img { width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 29px; }
.phone-primary { width: 315px; height: 660px; transform: rotate(2deg); }
.phone-speaker { position: absolute; z-index: 2; width: 64px; height: 5px; top: 16px; left: 50%; transform: translateX(-50%); background: #142333; border-radius: 10px; }
.floating-card { position: absolute; z-index: 4; min-width: 215px; padding: 14px 16px; display: flex; align-items: center; gap: 12px; background: rgba(16, 41, 66, .93); border: 1px solid rgba(113, 183, 237, .25); border-radius: 17px; box-shadow: 0 17px 40px rgba(0,0,0,.35); backdrop-filter: blur(12px); }
.floating-card > span { width: 42px; height: 42px; display: grid; place-items: center; flex: 0 0 auto; color: #071421; background: var(--green); border-radius: 12px; font-size: 1rem; font-weight: 950; }
.floating-card b, .floating-card small { display: block; }
.floating-card b { font-size: .88rem; }
.floating-card small { margin-top: 2px; color: var(--muted); font-size: .72rem; }
.floating-top { top: 18%; right: -7%; }
.floating-bottom { bottom: 14%; left: -12%; }
.floating-bottom > span { color: #fff; background: var(--blue); }

.trust-strip { border-block: 1px solid var(--line); background: #091a2b; }
.trust-grid { min-height: 118px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.trust-grid div { padding: 12px 26px; border-right: 1px solid var(--line); }
.trust-grid div:first-child { padding-left: 0; }
.trust-grid div:last-child { border: 0; }
.trust-grid strong, .trust-grid span { display: block; }
.trust-grid strong { font-size: .95rem; }
.trust-grid span { margin-top: 3px; color: var(--muted); font-size: .78rem; }

.section { padding: 112px 0; }
.section-soft { background: #091a2a; }
.overflow-hidden { overflow: hidden; }
.section-heading { max-width: 700px; margin-bottom: 48px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.section h2 { margin-bottom: 18px; font-size: clamp(2.15rem, 4.5vw, 3.65rem); }
.section-heading > p:last-child, .showcase-copy > p { color: var(--muted); font-size: 1.06rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { padding: 30px; background: linear-gradient(145deg, rgba(18, 46, 73, .95), rgba(11, 31, 50, .95)); border: 1px solid var(--line); border-radius: var(--radius); transition: transform .25s, border-color .25s; }
.feature-card:hover { transform: translateY(-5px); border-color: rgba(91,188,255,.45); }
.feature-card h3 { margin: 22px 0 10px; font-size: 1.28rem; }
.feature-card p { margin: 0; color: var(--muted); font-size: .93rem; }
.feature-icon { width: 49px; height: 49px; display: grid; place-items: center; border-radius: 15px; font-weight: 950; font-size: 1.25rem; }
.feature-icon.blue { color: #78caff; background: rgba(35,151,236,.17); }
.feature-icon.red { color: #ff7b87; background: rgba(255,85,99,.14); }
.feature-icon.amber { color: #ffc75f; background: rgba(255,180,41,.14); }
.feature-icon.green { color: #4ce0b2; background: rgba(32,201,151,.14); }
.feature-icon.violet { color: #b69cff; background: rgba(149,112,255,.14); }
.feature-icon.cyan { color: #64e0e6; background: rgba(66,203,211,.14); }

.ai-section { position: relative; overflow: hidden; background: radial-gradient(circle at 23% 50%, rgba(35,151,236,.13), transparent 34%), #071725; }
.ai-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 90px; align-items: center; }
.ai-demo { position: relative; padding: 24px 24px 70px; }
.ai-window { padding: 22px; background: linear-gradient(150deg, #102c46, #0a1c2d); border: 1px solid rgba(91,188,255,.28); border-radius: 27px; box-shadow: var(--shadow); }
.ai-window-head { padding-bottom: 17px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid var(--line); }
.ai-avatar { width: 44px; height: 44px; display: grid; place-items: center; color: #03221a; background: linear-gradient(135deg, #27d4a0, #59e4bb); border-radius: 14px; font-size: 1.25rem; font-weight: 950; }
.ai-window-head b, .ai-window-head small { display: block; }
.ai-window-head small { color: var(--muted); font-size: .72rem; }
.ai-window-head i { margin-left: auto; color: #57e7ba; font-size: .72rem; font-style: normal; }
.chat-bubble { max-width: 84%; margin-top: 18px; padding: 14px 16px; font-size: .86rem; }
.user-bubble { margin-left: auto; background: #218fdd; border-radius: 18px 18px 5px 18px; }
.tutor-bubble { display: flex; gap: 10px; color: #cbd9e5; background: #173650; border: 1px solid var(--line); border-radius: 18px 18px 18px 5px; }
.tutor-bubble span { color: #52dfb5; font-weight: 950; }
.tutor-bubble p { margin: 0; }
.ai-input { margin-top: 23px; padding: 11px 12px 11px 16px; display: flex; align-items: center; justify-content: space-between; color: #748a9f; background: #081724; border: 1px solid var(--line); border-radius: 14px; font-size: .8rem; }
.ai-input b { width: 33px; height: 33px; display: grid; place-items: center; color: #061b2a; background: var(--blue-2); border-radius: 10px; font-size: 1rem; }
.community-pill { position: absolute; right: -16px; bottom: 15px; max-width: 320px; padding: 15px 18px; display: flex; align-items: center; gap: 12px; background: #102c45; border: 1px solid rgba(91,188,255,.3); border-radius: 18px; box-shadow: 0 18px 42px rgba(0,0,0,.32); }
.community-pill > span { color: #45ddb0; }
.community-pill b, .community-pill small { display: block; }
.community-pill small { margin-top: 2px; color: var(--muted); font-size: .72rem; }

.showcase-grid, .simulator-grid, .install-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 90px; align-items: center; }
.check-list { margin: 28px 0; padding: 0; list-style: none; }
.check-list li { margin: 12px 0; display: flex; align-items: center; gap: 12px; color: #d4e1ed; }
.check-list span { width: 25px; height: 25px; display: grid; place-items: center; color: #082018; background: var(--green); border-radius: 50%; font-size: .75rem; font-weight: 950; }
.phone-pair { position: relative; min-height: 640px; display: flex; align-items: center; justify-content: center; }
.phone-small { position: absolute; width: 285px; height: 600px; padding: 8px; border: 0; cursor: zoom-in; }
.tilted-left { left: 9%; transform: rotate(-7deg); }
.tilted-right { right: 9%; transform: rotate(7deg) translateY(24px); }
.image-button { padding: 0; border: 0; background: transparent; cursor: zoom-in; }
.simulator-grid { grid-template-columns: 1fr 1fr; }
.simulator-visual { display: grid; place-items: center; }
.phone-wide { width: 330px; height: 690px; }
.metric-row { margin: 30px 0 18px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.metric-row div { padding: 18px 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 17px; text-align: center; }
.metric-row b, .metric-row span { display: block; }
.metric-row b { color: var(--blue-2); font-size: 1.6rem; }
.metric-row span { color: var(--muted); font-size: .75rem; }
.fine-print { font-size: .78rem !important; }

.install-grid { grid-template-columns: .8fr 1.2fr; align-items: start; }
.install-grid .section-heading { margin-bottom: 0; }
.install-grid .button { margin-top: 12px; }
.install-grid .pdf-link { margin-top: 20px; display: flex; width: fit-content; font-size: .88rem; }
.steps-list, .install-manual-steps { margin: 0; padding: 0; list-style: none; counter-reset: item; }
.steps-list li { position: relative; padding: 6px 0 29px; display: grid; grid-template-columns: 53px 1fr; gap: 18px; }
.steps-list li:not(:last-child)::after { content: ""; position: absolute; left: 26px; top: 59px; bottom: 3px; width: 1px; background: rgba(91,188,255,.3); }
.steps-list li > span { width: 53px; height: 53px; display: grid; place-items: center; color: #fff; background: #123c5d; border: 1px solid rgba(91,188,255,.35); border-radius: 16px; font-weight: 900; }
.steps-list h3 { margin: 3px 0 6px; font-size: 1.17rem; }
.steps-list p { margin: 0; color: var(--muted); font-size: .91rem; }

.cta-section { padding-top: 50px; }
.cta-card { padding: 55px 60px; display: flex; align-items: center; justify-content: space-between; gap: 40px; background: linear-gradient(125deg, #0b77c3, #23a1ef); border-radius: 30px; box-shadow: 0 30px 70px rgba(8,120,196,.25); }
.cta-card h2 { max-width: 630px; margin-bottom: 10px; }
.cta-card p:last-child { margin: 0; color: #d9efff; }
.cta-actions { display: flex; flex-direction: column; gap: 11px; flex: 0 0 205px; }
.disclaimer { padding: 22px 0; color: #aebdca; background: #0a1927; border-top: 1px solid var(--line); font-size: .8rem; text-align: center; }
.disclaimer strong { color: #e8f1f8; }

.site-footer { padding: 70px 0 25px; background: #05101b; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.7fr .7fr .8fr; gap: 60px; padding-bottom: 50px; }
.footer-grid p { max-width: 370px; margin: 20px 0 0; color: #8093a6; font-size: .88rem; }
.footer-grid h2 { margin-bottom: 16px; color: #e7f1fa; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; }
.footer-grid > div:not(:first-child) { display: flex; flex-direction: column; align-items: flex-start; }
.footer-grid > div:not(:first-child) a, .footer-grid > div:not(:first-child) span { margin: 5px 0; color: #8fa2b4; text-decoration: none; font-size: .83rem; }
.footer-grid a:hover { color: #fff !important; }
.footer-bottom { padding-top: 22px; display: flex; justify-content: space-between; gap: 25px; color: #6f8498; border-top: 1px solid var(--line); font-size: .76rem; }
.footer-bottom a { color: #9fd8ff; font-weight: 700; text-decoration: none; }
.footer-bottom a:hover, .footer-bottom a:focus-visible { color: #fff; text-decoration: underline; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.delay-1 { transition-delay: .1s; }
.reveal.delay-2 { transition-delay: .2s; }
.reveal.is-visible { opacity: 1; transform: none; }
.lightbox { width: min(94vw, 480px); max-height: 92vh; padding: 12px; overflow: visible; background: #071421; border: 1px solid rgba(91,188,255,.35); border-radius: 28px; box-shadow: var(--shadow); }
.lightbox::backdrop { background: rgba(1,8,14,.88); backdrop-filter: blur(8px); }
.lightbox img { max-height: calc(92vh - 24px); margin: auto; border-radius: 19px; }
.lightbox > button { position: absolute; z-index: 2; width: 42px; height: 42px; right: -12px; top: -12px; color: #fff; background: #e54555; border: 3px solid #071421; border-radius: 50%; font-size: 1.6rem; line-height: 1; cursor: pointer; }

/* Manual */
.manual-hero { padding: 88px 0 82px; background: radial-gradient(circle at 78% 10%, rgba(91,188,255,.18), transparent 30%), linear-gradient(130deg, #0b5790, #08233a 72%); }
.manual-hero h1 { margin-bottom: 18px; font-size: clamp(2.8rem, 6vw, 5rem); }
.manual-hero > .container > p:not(.eyebrow) { max-width: 720px; color: #d1e6f7; font-size: 1.14rem; }
.manual-meta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; }
.manual-meta span { padding: 8px 13px; color: #dff3ff; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.13); border-radius: 100px; font-size: .77rem; }
.manual-layout { padding-block: 68px 110px; display: grid; grid-template-columns: 245px minmax(0, 800px); justify-content: space-between; gap: 70px; }
.manual-aside { align-self: start; position: sticky; top: 100px; }
.toc { margin-bottom: 20px; padding: 23px; display: flex; flex-direction: column; background: #0b1f32; border: 1px solid var(--line); border-radius: 19px; }
.toc strong { margin-bottom: 12px; color: #eaf5fd; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; }
.toc a { padding: 6px 0; color: #90a5b8; text-decoration: none; font-size: .83rem; }
.toc a:hover { color: var(--blue-2); }
.manual-content { min-width: 0; }
.manual-section { padding: 0 0 74px; margin-bottom: 70px; border-bottom: 1px solid var(--line); }
.manual-section:last-of-type { border-bottom: 0; }
.chapter { display: inline-flex; margin-bottom: 15px; padding: 5px 10px; color: var(--blue-2); background: rgba(35,151,236,.12); border-radius: 8px; font-size: .72rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.manual-section h2 { margin-bottom: 17px; font-size: clamp(1.9rem, 4vw, 2.7rem); }
.manual-section > p, .split-manual > div > p { color: #adbdcb; }
.notice { margin: 27px 0; padding: 20px 22px; display: flex; gap: 15px; border: 1px solid; border-radius: 17px; }
.notice > span { width: 32px; height: 32px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 10px; font-weight: 950; }
.notice strong { display: block; margin-bottom: 3px; }
.notice p { margin: 0; color: #b9c8d5; font-size: .88rem; }
.notice-info { background: rgba(35,151,236,.09); border-color: rgba(91,188,255,.3); }
.notice-info > span { color: #072136; background: var(--blue-2); }
.notice-warning { background: rgba(255,180,41,.08); border-color: rgba(255,180,41,.27); }
.notice-warning > span { color: #2a1a00; background: var(--amber); }
.install-manual-steps { margin-top: 30px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
.install-manual-steps li { min-height: 168px; padding: 21px; display: flex; gap: 15px; background: #0d2439; border: 1px solid var(--line); border-radius: 19px; }
.install-manual-steps li > span { width: 36px; height: 36px; flex: 0 0 auto; display: grid; place-items: center; color: #06121d; background: var(--blue-2); border-radius: 11px; font-weight: 950; }
.install-manual-steps h3 { margin: 3px 0 8px; font-size: 1rem; }
.install-manual-steps p { margin: 0; color: #9eb0c0; font-size: .85rem; }
.number-list { padding-left: 20px; color: #b5c5d4; }
.number-list li { padding: 5px 0 5px 6px; }
.split-manual { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 44px; }
.screen-placeholder { min-height: 300px; padding: 35px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: radial-gradient(circle at 50% 30%, rgba(35,151,236,.22), transparent 55%), #0d2337; border: 1px solid var(--line); border-radius: 25px; }
.login-preview img { width: 90px; height: 90px; margin-bottom: 22px; object-fit: cover; border-radius: 25px; box-shadow: 0 18px 40px rgba(0,0,0,.32); }
.login-preview strong { font-size: 1.05rem; }
.login-preview span { margin-top: 8px; color: #8fa4b6; font-size: .8rem; }
.manual-figure { margin: 28px 0 0; }
.manual-figure .image-button { width: 100%; display: grid; place-items: center; padding: 20px; overflow: hidden; background: #0b1f32; border: 1px solid var(--line); border-radius: 24px; }
.manual-figure img { max-height: 640px; width: auto; border-radius: 18px; box-shadow: 0 20px 50px rgba(0,0,0,.32); }
.manual-figure figcaption { margin-top: 10px; color: #7f93a6; font-size: .78rem; text-align: center; }
.figure-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.figure-grid .manual-figure { min-width: 0; }
.figure-grid .manual-figure .image-button { height: 610px; }
.figure-grid .manual-figure img { max-height: 568px; }
.accordion details { margin: 12px 0; overflow: hidden; background: #0c2135; border: 1px solid var(--line); border-radius: 15px; }
.accordion summary { padding: 18px 20px; cursor: pointer; font-weight: 800; }
.accordion details p { margin: 0; padding: 0 20px 20px; color: #9fb1c2; font-size: .9rem; }
.ai-manual-grid { margin-top: 28px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.ai-manual-card { padding: 25px; background: #0d2439; border: 1px solid var(--line); border-radius: 21px; }
.ai-manual-card h3 { margin: 20px 0 12px; font-size: 1.25rem; }
.ai-manual-card .number-list { padding-left: 18px; font-size: .87rem; }
.ai-manual-card > p { margin: 16px 0 0; color: #91a6b8; font-size: .8rem; }
.manual-end { padding: 45px; text-align: center; background: linear-gradient(140deg, #0c588f, #0d7cbf); border-radius: 27px; }
.manual-end h2 { margin-bottom: 10px; font-size: 2.2rem; }
.manual-end p { color: #d5efff; }
.manual-end > div { display: flex; justify-content: center; gap: 12px; margin-top: 24px; }
.manual-end .button-primary { color: #0873bc; background: #fff; }

@media (max-width: 960px) {
  .menu-button { display: block; }
  .main-nav { position: absolute; top: 68px; left: 20px; right: 20px; padding: 18px; display: none; flex-direction: column; align-items: stretch; gap: 4px; background: #0b1e31; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
  .main-nav.is-open { display: flex; }
  .main-nav > a:not(.button) { padding: 11px 10px; }
  .hero { padding-top: 60px; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-visual { min-height: 590px; }
  .phone-primary { height: 610px; }
  .floating-top { right: 5%; }
  .floating-bottom { left: 5%; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); padding-block: 18px; }
  .trust-grid div { border: 0; padding: 12px; text-align: center; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-grid, .simulator-grid, .install-grid { grid-template-columns: 1fr; gap: 55px; }
  .ai-grid { grid-template-columns: 1fr; gap: 55px; }
  .phone-pair { min-height: 610px; }
  .tilted-left { left: 18%; }
  .tilted-right { right: 18%; }
  .cta-card { flex-direction: column; align-items: flex-start; }
  .cta-actions { width: 100%; flex: auto; flex-direction: row; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
  .manual-layout { grid-template-columns: 1fr; }
  .manual-aside { position: static; }
  .toc { display: none; }
  .manual-aside .button { width: auto; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .nav-wrap { min-height: 68px; }
  .brand img { width: 39px; height: 39px; }
  .hero { min-height: auto; padding: 55px 0 75px; }
  .hero-grid { gap: 45px; }
  .hero h1 { font-size: clamp(2.6rem, 13vw, 4rem); }
  .hero-actions, .hero-actions .button { width: 100%; }
  .download-facts { justify-content: center; }
  .hero-visual { min-height: 550px; }
  .phone-primary { width: 270px; height: 565px; }
  .floating-card { min-width: 180px; padding: 11px 13px; }
  .floating-top { top: 13%; right: -3%; }
  .floating-bottom { bottom: 11%; left: -3%; }
  .floating-card > span { width: 36px; height: 36px; }
  .floating-card b { font-size: .75rem; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 78px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 25px; }
  .phone-pair { min-height: 530px; }
  .phone-small { width: 225px; height: 475px; }
  .tilted-left { left: 1%; }
  .tilted-right { right: 1%; }
  .phone-wide { width: 285px; height: 600px; }
  .metric-row { gap: 7px; }
  .metric-row div { padding-inline: 5px; }
  .cta-card { padding: 38px 24px; }
  .cta-actions { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .manual-hero { padding: 65px 0 58px; }
  .manual-layout { padding-top: 45px; gap: 45px; }
  .manual-section { padding-bottom: 55px; margin-bottom: 55px; }
  .install-manual-steps { grid-template-columns: 1fr; }
  .install-manual-steps li { min-height: 0; }
  .split-manual { grid-template-columns: 1fr; }
  .figure-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .figure-grid .manual-figure .image-button { height: 430px; padding: 8px; }
  .figure-grid .manual-figure img { max-height: 410px; border-radius: 12px; }
  .manual-figure .image-button { padding: 10px; }
  .order-mobile-2 { order: 2; }
  .manual-end { padding: 35px 20px; }
  .manual-end > div { flex-direction: column; }
  .ai-demo { padding-inline: 0; }
  .community-pill { right: -4px; }
  .ai-manual-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}