/* ============================================================================
   LabNexa — public marketing surface (landing + signup)
   Replaces landing-above-fold.css, landing-packages.css,
   landing-services-pos-layout.css and login-options.css. Those three landing
   files each overrode the previous one with !important; the shipped result is
   expressed here once, directly, with no override chain.
   ============================================================================ */

.platform-landing {
    min-height: 100vh;
    color: var(--n-900);
    background: var(--n-0);
}
.platform-landing main { display: flex; flex-direction: column; }

/* ---------- Top bar ------------------------------------------------------- */
.platform-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 74px;
    padding: 0 max(5vw, 24px);
    background: rgba(255, 255, 255, .88);
    backdrop-filter: saturate(1.5) blur(12px);
    border-bottom: 1px solid var(--n-200);
}
@supports not (backdrop-filter: blur(4px)) { .platform-nav { background: #fff; } }

.platform-brand, .signup-brand {
    display: flex; align-items: center; gap: 10px;
    font-size: 20px; font-weight: 800; letter-spacing: -.02em;
    color: var(--n-900);
}
.platform-brand img, .signup-brand img { width: 42px; height: 42px; flex: 0 0 42px; object-fit: contain; }
.platform-brand:hover { color: var(--brand-700); }

.platform-nav nav { display: flex; align-items: center; gap: 22px; }
.platform-nav nav > a { color: var(--n-600); font-size: 14px; font-weight: 500; }
.platform-nav nav > a:hover { color: var(--brand-700); }

.platform-primary {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 42px; padding: 11px 20px;
    border: 1px solid var(--brand-600); border-radius: var(--r-md);
    background: var(--brand-600); color: #fff !important;
    font: inherit; font-size: 14px; font-weight: 700;
    cursor: pointer; white-space: nowrap;
    box-shadow: 0 4px 14px rgba(20, 89, 166, .24);
    transition: background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.platform-primary:hover {
    background: var(--brand-700); border-color: var(--brand-700);
    transform: translateY(-1px); box-shadow: 0 8px 22px rgba(20, 89, 166, .3);
}
.platform-primary:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.platform-secondary {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 42px; padding: 11px 20px;
    border: 1px solid var(--n-300); border-radius: var(--r-md);
    background: #fff; color: var(--brand-700);
    font-size: 14px; font-weight: 650; white-space: nowrap;
    transition: border-color var(--t-fast), background var(--t-fast);
}
.platform-secondary:hover { border-color: var(--brand-400); background: var(--brand-50); }

/* ---------- Hero ---------------------------------------------------------- */
.platform-hero {
    padding: 62px max(7vw, 26px) 54px;
    background:
        radial-gradient(900px 420px at 88% -20%, var(--brand-100), transparent 62%),
        radial-gradient(700px 380px at 6% 110%, var(--accent-50), transparent 60%),
        linear-gradient(110deg, #fbfdff 45%, #eaf4fd);
}
.platform-hero-copy { max-width: 980px; }
.platform-eyebrow, .platform-section-title span {
    display: block;
    font-size: 11.5px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase;
    color: var(--brand-600);
}
.platform-hero h1 {
    max-width: 900px;
    margin: 14px 0;
    font-size: clamp(36px, 4.3vw, 60px);
    line-height: 1.05;
    letter-spacing: -.035em;
}
.platform-hero p { max-width: 720px; color: var(--n-600); font-size: 17px; line-height: 1.6; }
.platform-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.platform-trust {
    display: flex; gap: 20px; flex-wrap: wrap; margin-top: 22px;
    color: var(--n-600); font-size: 13.5px;
}
.platform-trust span { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Packages ------------------------------------------------------ */
.landing-packages { padding: 56px max(5vw, 24px) 72px; background: var(--n-50); }
.platform-section-title { text-align: center; }
.platform-section-title h2 { margin: 10px 0; font-size: clamp(26px, 3vw, 36px); letter-spacing: -.03em; }
.landing-packages .platform-section-title > p { max-width: 720px; margin: 12px auto 0; color: var(--n-600); }

.landing-package-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    max-width: 1500px;
    margin: 30px auto 0;
}
.landing-package {
    display: flex;
    flex-direction: column;
    padding: 24px;
    background: #fff;
    border: 1px solid var(--n-200);
    border-radius: var(--r-lg);
    box-shadow: 0 6px 22px rgba(21, 60, 98, .05);
    transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
}
.landing-package:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(21, 60, 98, .1); border-color: var(--brand-200); }
.landing-package.featured {
    border: 2px solid var(--brand-600);
    box-shadow: 0 14px 34px rgba(20, 89, 166, .14);
}
.package-top > span {
    display: inline-block;
    padding: 5px 10px; border-radius: var(--r-pill);
    background: var(--brand-50); color: var(--brand-700);
    font-size: 10px; font-weight: 850; letter-spacing: .06em;
}
.package-top h3 { margin: 14px 0 7px; font-size: 19px; }
.package-top p { min-height: 42px; color: var(--n-500); line-height: 1.5; font-size: 13.5px; }
.package-price { padding: 16px 0; border-bottom: 1px solid var(--n-200); }
.package-price strong { display: block; font-size: 25px; color: var(--brand-800); letter-spacing: -.02em; }
.package-price sup { font-size: 10px; top: -.7em; }
.package-price small { display: block; margin-top: 4px; color: var(--n-500); }
.landing-package ul { flex: 1; padding-left: 19px; margin: 14px 0; color: var(--n-600); line-height: 1.95; font-size: 13.5px; }
.landing-package > a { width: 100%; align-self: end; }

/* ---------- Features ------------------------------------------------------ */
.platform-features { padding: 70px max(7vw, 26px); }
.platform-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 34px;
}
.platform-feature-grid article {
    padding: 26px;
    background: #fff;
    border: 1px solid var(--n-200);
    border-radius: var(--r-lg);
    transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
}
.platform-feature-grid article:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(21, 60, 98, .09);
    border-color: var(--brand-200);
}
.platform-feature-grid article > b {
    display: inline-grid; place-items: center;
    width: 36px; height: 36px; margin-bottom: 12px;
    border-radius: var(--r-md);
    background: var(--brand-50); color: var(--brand-600);
    font-size: 13px; font-weight: 800;
}
.platform-feature-grid h3 { font-size: 16px; margin-bottom: 8px; }
.platform-feature-grid p { color: var(--n-500); line-height: 1.6; font-size: 13.5px; }

/* ---------- Workflow ------------------------------------------------------ */
.platform-workflow {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6vw;
    padding: 72px max(7vw, 26px);
    background: var(--brand-50);
}
.platform-workflow h2 { margin: 12px 0; font-size: clamp(24px, 2.8vw, 34px); letter-spacing: -.03em; }
.platform-workflow p { color: var(--n-600); line-height: 1.7; }
.platform-workflow ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; align-content: start; }
.platform-workflow li {
    display: flex; align-items: center; gap: 16px;
    padding: 17px;
    background: #fff; border: 1px solid var(--n-200); border-radius: var(--r-md);
}
.platform-workflow li > b {
    display: grid; place-items: center;
    min-width: 38px; height: 38px;
    background: var(--brand-600); color: #fff; border-radius: var(--r-md);
}
.platform-workflow li span { display: grid; color: var(--n-500); font-size: 13.5px; }
.platform-workflow li strong { color: var(--n-900); margin-bottom: 3px; font-size: 14.5px; }

/* ---------- Footer -------------------------------------------------------- */
.platform-landing footer {
    display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
    padding: 34px max(7vw, 26px);
    background: var(--brand-900); color: #fff;
}
.platform-landing footer b { font-size: 17px; }
.platform-landing footer p { margin: 5px 0 0; color: rgba(188, 209, 227, .9); font-size: 13px; }
.platform-landing footer div:last-child { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.platform-landing footer a { color: #fff; font-size: 14px; }
.platform-landing footer a:hover { color: var(--brand-200); }

/* ---------- Signup -------------------------------------------------------- */
.platform-signup {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    min-height: 100vh;
    background: linear-gradient(145deg, #eaf3fc, #f8fbfe);
    color: var(--n-900);
}
.signup-copy {
    display: flex; flex-direction: column; justify-content: center;
    padding: 8vh max(6vw, 30px);
    background:
        radial-gradient(700px 400px at 80% 8%, rgba(111, 211, 212, .22), transparent 60%),
        linear-gradient(150deg, var(--brand-800), var(--brand-600));
    color: #fff;
}
.signup-brand { color: #fff; margin-bottom: 56px; }
.signup-brand:hover { color: #fff; }
.signup-brand img { background: #fff; border-radius: var(--r-md); padding: 3px; }
.signup-copy .platform-eyebrow { color: var(--accent-300); }
.signup-copy h1 { margin: 16px 0; font-size: clamp(30px, 3.4vw, 46px); line-height: 1.1; letter-spacing: -.035em; }
.signup-copy p { font-size: 17px; line-height: 1.65; color: rgba(211, 226, 239, .92); }
.signup-copy ul { padding-left: 20px; line-height: 2; color: rgba(225, 237, 246, .92); }

.signup-card {
    width: min(760px, calc(100% - 36px));
    align-self: center;
    justify-self: center;
    padding: 38px;
    background: #fff;
    border-radius: var(--r-xl);
    box-shadow: 0 20px 60px rgba(23, 59, 90, .14);
}
.signup-back { display: inline-block; margin-bottom: 14px; color: var(--n-500); font-size: 13px; font-weight: 600; }
.signup-back:hover { color: var(--brand-700); }
.signup-card h2 { font-size: 28px; margin: 4px 0 5px; letter-spacing: -.03em; }
.signup-card > p { color: var(--n-500); }
.signup-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 18px; margin-top: 22px; }
.signup-grid > div { min-width: 0; }
.signup-help { display: block; margin-top: 12px; color: var(--n-500); }
.signup-submit { width: 100%; margin-top: 20px; }
.signup-footer { text-align: center; margin: 18px 0 0 !important; }
.signup-card .validation-message, .signup-card .validation-errors { color: var(--danger-fg); font-size: 12px; }

/* ---------- Responsive ---------------------------------------------------- */
@media (max-width: 1150px) {
    .landing-package-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .platform-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
    .platform-nav nav a:not(.platform-primary) { display: none; }
    .platform-hero { padding: 44px max(6vw, 20px) 40px; }
    .platform-workflow, .platform-signup { grid-template-columns: minmax(0, 1fr); }
    .signup-copy { padding: 44px 26px; }
    .signup-brand { margin-bottom: 32px; }
    .signup-card { margin: 26px auto; padding: 28px 22px; }
}

@media (max-width: 650px) {
    .landing-package-grid, .platform-feature-grid, .signup-grid { grid-template-columns: minmax(0, 1fr); }
    .signup-grid .span-2 { grid-column: span 1; }
    .platform-actions { flex-direction: column; align-items: stretch; }
    .platform-nav { padding: 0 16px; }
    .platform-landing footer { flex-direction: column; align-items: flex-start; gap: 18px; }
}