/* ==========================================================================
   Landing Page – Smart Maintenance+
   ========================================================================== */

:root {
    --bg: #0b1220;
    --panel: rgba(255, 255, 255, .06);
    --panel-2: rgba(255, 255, 255, .09);
    --text: rgba(255, 255, 255, .92);
    --muted: rgba(255, 255, 255, .72);
    --muted-2: rgba(255, 255, 255, .56);
    --border: rgba(255, 255, 255, .14);
    --shadow: 0 20px 60px rgba(0, 0, 0, .45);
    --brand: #5eead4;
    /* teal */
    --brand-2: #60a5fa;
    /* blue */
    --accent: #a78bfa;
    /* purple */
    --radius: 18px;
    --radius-sm: 12px;
    --container: 1120px;
    --pad: 20px;
    --h1: clamp(2.0rem, 4.5vw, 3.25rem);
    --h2: clamp(1.45rem, 2.7vw, 2.1rem);
    --h3: 1.125rem;
    --p: 1.05rem;
    --small: .95rem;
    --focus: 0 0 0 3px rgba(94, 234, 212, .35), 0 0 0 6px rgba(96, 165, 250, .18);
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    background: radial-gradient(900px 600px at 10% 10%, rgba(96, 165, 250, .14), transparent 60%), radial-gradient(700px 500px at 90% 20%, rgba(94, 234, 212, .12), transparent 55%), radial-gradient(800px 600px at 70% 95%, rgba(167, 139, 250, .11), transparent 60%), var(--bg);
    color: var(--text);
    line-height: 1.55;
}

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

a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

img,
svg {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ---------- Skip link ---------- */

.skip-link {
    position: absolute;
    left: -999px;
    top: 12px;
    background: #fff;
    color: #000;
    padding: 10px 14px;
    border-radius: 10px;
    z-index: 9999;
}

.skip-link:focus {
    left: 12px;
    outline: none;
    box-shadow: var(--focus);
}

/* ---------- Container ---------- */

.container {
    width: min(var(--container), 100% - 2*var(--pad));
    margin-inline: auto;
}

/* ---------- Header / Nav ---------- */

header {
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(11, 18, 32, .72);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 220px;
}

.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: radial-gradient(circle at 30% 30%, rgba(94, 234, 212, .9), rgba(96, 165, 250, .6) 55%, rgba(167, 139, 250, .35));
    box-shadow: 0 10px 24px rgba(0, 0, 0, .35);
    border: 1px solid rgba(255, 255, 255, .14);
}

.brand-name {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-name strong {
    font-weight: 700;
    letter-spacing: .2px;
}

.brand-name span {
    color: var(--muted);
    font-size: .85rem;
}

.nav-links {
    display: none;
    align-items: center;
    gap: 18px;
}

.nav-links a {
    color: var(--muted);
    font-size: .95rem;
    padding: 8px 10px;
    border-radius: 10px;
}

.nav-links a:focus-visible {
    outline: none;
    box-shadow: var(--focus);
}

.nav-links a:hover {
    background: rgba(255, 255, 255, .05);
    color: var(--text);
    text-decoration: none;
}

.nav-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, .14);
    background: rgba(255, 255, 255, .06);
    color: var(--text);
    font-weight: 600;
    font-size: .95rem;
    text-decoration: none;
    cursor: pointer;
    transition: transform .12s ease, background .12s ease, border-color .12s ease;
    min-height: 42px;
    white-space: nowrap;
}

.btn:hover {
    text-decoration: none;
    background: rgba(255, 255, 255, .09);
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, .2);
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--focus);
}

.btn-primary {
    background: linear-gradient(135deg, rgba(94, 234, 212, .18), rgba(96, 165, 250, .18));
    border-color: rgba(94, 234, 212, .35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, rgba(94, 234, 212, .22), rgba(96, 165, 250, .22));
}

.btn-ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, .14);
    color: var(--text);
}

/* ---------- Icon ---------- */

.icon {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    opacity: .95;
}

/* ---------- Mobile menu ---------- */

.menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, .14);
    background: rgba(255, 255, 255, .06);
    color: var(--text);
    cursor: pointer;
}

.menu-btn:hover {
    background: rgba(255, 255, 255, .09);
}

.menu-btn:focus-visible {
    outline: none;
    box-shadow: var(--focus);
}

.mobile-panel {
    display: none;
    padding: 6px 0 14px;
}

.mobile-panel[hidden] {
    display: none;
}

.mobile-panel .stack {
    display: grid;
    gap: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, .08);
}

.mobile-panel a {
    padding: 12px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .10);
    color: var(--muted);
}

.mobile-panel a:hover {
    text-decoration: none;
    color: var(--text);
    background: rgba(255, 255, 255, .07);
}

/* ---------- Sections ---------- */

section {
    padding: 54px 0;
}

.section-head {
    display: grid;
    gap: 10px;
    margin-bottom: 22px;
}

.section-head--flush {
    margin-bottom: 0;
}

.kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(255, 255, 255, .05);
    color: var(--muted);
    font-size: .9rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--brand), var(--brand-2));
    box-shadow: 0 0 0 4px rgba(94, 234, 212, .14);
}

/* ---------- Typography ---------- */

h1,
h2,
h3 {
    margin: 0;
    line-height: 1.15;
}

h1 {
    font-size: var(--h1);
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--h2);
    letter-spacing: -0.01em;
}

h3 {
    font-size: var(--h3);
}

p {
    margin: 0;
    color: var(--muted);
    font-size: var(--p);
}

.small {
    font-size: var(--small);
    color: var(--muted-2);
}

.muted {
    color: var(--muted);
}

/* ---------- Grid ---------- */

.grid {
    display: grid;
    gap: 14px;
}

.grid-2 {
    grid-template-columns: 1fr;
}

.grid-3 {
    grid-template-columns: 1fr;
}

.grid-4 {
    grid-template-columns: 1fr;
}

.grid--tight {
    gap: 10px;
}

/* ---------- Cards ---------- */

.card {
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: 0 1px 0 rgba(255, 255, 255, .05) inset;
}

.card:hover {
    border-color: rgba(255, 255, 255, .18);
    background: rgba(255, 255, 255, .06);
}

.card h3 {
    margin-bottom: 8px;
}

.card h3.mb-sm {
    margin-bottom: 10px;
}

.card p {
    font-size: 1rem;
}

/* ---------- Pills / Tags ---------- */

.pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .14);
    background: rgba(255, 255, 255, .04);
    color: var(--muted);
    font-size: .92rem;
}

.pill--end {
    margin-left: auto;
}

/* ---------- Hero ---------- */

.hero {
    padding-top: 52px;
    padding-bottom: 34px;
}

.hero-wrap {
    display: grid;
    gap: 18px;
    align-items: center;
}

.hero-copy {
    display: grid;
    gap: 14px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 6px;
}

.trust-line {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-top: 10px;
    color: var(--muted-2);
    font-size: .95rem;
}

.trust-line .check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .10);
    background: rgba(255, 255, 255, .03);
}

.hero-visual {
    border-radius: calc(var(--radius) + 6px);
    border: 1px solid rgba(255, 255, 255, .14);
    background: linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .03)), radial-gradient(500px 200px at 30% 20%, rgba(94, 234, 212, .15), transparent 60%), radial-gradient(600px 260px at 80% 60%, rgba(96, 165, 250, .12), transparent 60%);
    box-shadow: var(--shadow);
    overflow: hidden;
    position: relative;
    min-height: 280px;
}

.visual-topbar {
    height: 44px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, .10);
    background: rgba(255, 255, 255, .04);
}

.window-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .18);
}

.window-dot.red {
    background: rgba(251, 113, 133, .7);
}

.window-dot.yellow {
    background: rgba(251, 191, 36, .7);
}

.window-dot.green {
    background: rgba(52, 211, 153, .7);
}

.visual-body {
    padding: 14px;
    display: grid;
    gap: 12px;
}

.mini-row {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 12px;
}

.mini-card {
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(255, 255, 255, .04);
    padding: 12px;
}

.mini-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--muted);
    font-size: .92rem;
}

.bar {
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .10);
    overflow: hidden;
    position: relative;
}

.bar > i {
    display: block;
    height: 100%;
    width: 65%;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(94, 234, 212, .8), rgba(96, 165, 250, .75));
}

.tag {
    font-size: .82rem;
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .14);
    background: rgba(255, 255, 255, .04);
    color: var(--muted);
}

.status {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

/* ---------- Social proof ---------- */

.logo-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    border-radius: 14px;
    border: 1px dashed rgba(255, 255, 255, .18);
    background: rgba(255, 255, 255, .03);
    color: rgba(255, 255, 255, .55);
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    font-size: .75rem;
}

/* ---------- Lists ---------- */

ul {
    margin: 10px 0 0;
    padding-left: 18px;
    color: var(--muted);
}

li {
    margin: 6px 0;
}

/* ---------- How it works ---------- */

.step {
    display: grid;
    gap: 10px;
}

.step-num {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-weight: 800;
    border: 1px solid rgba(255, 255, 255, .14);
    background: linear-gradient(135deg, rgba(94, 234, 212, .12), rgba(96, 165, 250, .12));
}

/* ---------- Testimonials ---------- */

.quote {
    display: grid;
    gap: 12px;
}

.quote blockquote {
    margin: 0;
    padding: 0;
    color: rgba(255, 255, 255, .86);
    font-size: 1.02rem;
}

.person {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-size: .95rem;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, .14);
    background: radial-gradient(circle at 30% 30%, rgba(96, 165, 250, .35), rgba(94, 234, 212, .15));
}

/* ---------- Pricing ---------- */

.price {
    display: grid;
    gap: 10px;
}

.price strong {
    font-size: 1.25rem;
    letter-spacing: -0.01em;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
    padding: 6px 10px;
    border: 1px solid rgba(255, 255, 255, .14);
    background: rgba(255, 255, 255, .04);
    color: var(--muted);
    font-size: .92rem;
}

.badge .spark {
    width: 16px;
    height: 16px;
}

/* ---------- FAQ ---------- */

.faq {
    display: grid;
    gap: 10px;
}

details {
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(255, 255, 255, .04);
    padding: 12px 14px;
}

details[open] {
    background: rgba(255, 255, 255, .055);
    border-color: rgba(255, 255, 255, .18);
}

summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-weight: 700;
    color: rgba(255, 255, 255, .9);
    padding: 6px 2px;
    outline: none;
}

summary::-webkit-details-marker {
    display: none;
}

.chev {
    width: 18px;
    height: 18px;
    transition: transform .15s ease;
    opacity: .9;
    flex: 0 0 auto;
}

details[open] .chev {
    transform: rotate(180deg);
}

details p {
    margin-top: 8px;
    color: var(--muted);
    font-size: 1rem;
}

/* ---------- Final CTA ---------- */

.cta {
    border-radius: calc(var(--radius) + 8px);
    border: 1px solid rgba(255, 255, 255, .14);
    background: radial-gradient(700px 260px at 15% 30%, rgba(94, 234, 212, .18), transparent 60%), radial-gradient(700px 260px at 85% 70%, rgba(96, 165, 250, .16), transparent 60%), rgba(255, 255, 255, .04);
    box-shadow: var(--shadow);
    padding: 22px;
}

.cta-inner {
    display: grid;
    gap: 14px;
    align-items: center;
}

.cta p {
    max-width: 62ch;
}

/* ---------- Footer ---------- */

footer {
    padding: 28px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    background: rgba(0, 0, 0, .12);
}

.footer-grid {
    display: grid;
    gap: 16px;
    align-items: start;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--muted);
    font-size: .95rem;
}

.social {
    display: flex;
    gap: 10px;
}

.social a {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(255, 255, 255, .04);
    display: grid;
    place-items: center;
}

.social a:hover {
    background: rgba(255, 255, 255, .07);
    text-decoration: none;
}

.social svg {
    width: 18px;
    height: 18px;
    opacity: .85;
}

/* ---------- Utility: spacing ---------- */

.mt-xs {
    margin-top: 4px;
}

.mt-sm {
    margin-top: 10px;
}

.mt-md {
    margin-top: 12px;
}

.max-w-prose {
    max-width: 70ch;
}

/* ---------- Responsive ---------- */

@media (min-width: 720px) {
    .nav-links {
        display: inline-flex;
    }

    .menu-btn {
        display: none;
    }

    .mobile-panel {
        display: none !important;
    }

    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .hero-wrap {
        grid-template-columns: 1.05fr .95fr;
        gap: 26px;
    }

    .logo-row {
        grid-template-columns: repeat(5, 1fr);
    }

    .cta-inner {
        grid-template-columns: 1.2fr .8fr;
    }

    .footer-grid {
        grid-template-columns: 1.2fr .8fr;
    }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
    }
}

/* ---------- Focus visibility ---------- */

:focus-visible {
    outline: none;
    box-shadow: var(--focus);
    border-radius: 10px;
}