/* openwatch.cloud marketing site - hand-rolled, no framework.
   Brand palette mirrors the app: primary #1F6FBF, accent #4FA3DD,
   success #10B981, ink #0F172A, slate #64748B. */

:root {
    --primary: #1F6FBF;
    --primary-dark: #17548f;
    --accent: #4FA3DD;
    --green: #10B981;
    --ink: #0F172A;
    --slate: #64748B;
    --slate-light: #94A3B8;
    --bg: #ffffff;
    --bg-soft: #f4f7fb;
    --border: #e2e8f0;
    --radius: 12px;
    --shadow: 0 8px 30px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
    font-size: 16px;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -.01em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 1.25rem; }

/* --- Header / nav ---------------------------------------------------------- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; gap: 1.5rem; min-height: 64px; flex-wrap: wrap; padding-top: .5rem; padding-bottom: .5rem; }
.brand { display: flex; align-items: center; }
.nav-links { display: flex; gap: 1.25rem; flex: 1; flex-wrap: wrap; }
.nav-links a { color: var(--ink); font-weight: 500; font-size: .95rem; }
.nav-links a.active, .nav-links a:hover { color: var(--primary); text-decoration: none; }
.nav-actions { display: flex; align-items: center; gap: .75rem; }
.lang-switch { font-size: .85rem; color: var(--slate); }

/* --- Buttons --------------------------------------------------------------- */
.btn {
    display: inline-block; padding: .6rem 1.2rem; border-radius: 8px;
    font-weight: 600; font-size: .95rem; white-space: nowrap;
    transition: background .15s ease, color .15s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { color: var(--ink); border: 1px solid var(--border); background: #fff; }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-lg { padding: .85rem 1.7rem; font-size: 1.05rem; }

/* --- Hero ------------------------------------------------------------------ */
.hero { padding: 4.5rem 0 3rem; background: linear-gradient(180deg, var(--bg-soft), #fff); }
.hero .container { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: center; }
.hero-copy .eyebrow {
    display: inline-block; margin-bottom: 1rem; padding: .25rem .75rem;
    border-radius: 999px; background: rgba(31, 111, 191, .1);
    color: var(--primary); font-weight: 600; font-size: .8rem;
    letter-spacing: .02em; text-transform: uppercase;
}
.hero-copy p.lead { font-size: 1.15rem; color: var(--slate); max-width: 34rem; }
.hero-ctas { display: flex; gap: .9rem; margin-top: 1.5rem; flex-wrap: wrap; }
.hero-note { margin-top: .9rem; font-size: .85rem; color: var(--slate-light); }
.hero-visual img { border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); }

/* --- Sections -------------------------------------------------------------- */
.section { padding: 4rem 0; }
.section.alt { background: var(--bg-soft); }
.section-head { max-width: 44rem; margin: 0 auto 2.5rem; text-align: center; }
.section-head p { color: var(--slate); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }

.card {
    background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
    padding: 1.5rem;
}
.card .icon { font-size: 1.6rem; margin-bottom: .6rem; display: block; }
.card h3 { margin-bottom: .4rem; }
.card p { color: var(--slate); font-size: .95rem; margin: 0; }

/* --- Feature detail rows --------------------------------------------------- */
.feature-row { display: grid; grid-template-columns: 220px 1fr; gap: 2rem; padding: 1.8rem 0; border-top: 1px solid var(--border); }
.feature-row:first-of-type { border-top: 0; }
.feature-row h3 { color: var(--primary); }
.feature-row ul { margin: 0; padding-left: 1.1rem; color: var(--slate); }
.feature-row li { margin-bottom: .35rem; }

/* --- Pricing --------------------------------------------------------------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; align-items: stretch; }
.plan {
    background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
    padding: 1.8rem; display: flex; flex-direction: column;
}
.plan.featured { border-color: var(--primary); box-shadow: var(--shadow); position: relative; }
.plan .badge {
    position: absolute; top: -0.8rem; left: 50%; transform: translateX(-50%);
    background: var(--primary); color: #fff; font-size: .75rem; font-weight: 600;
    padding: .2rem .8rem; border-radius: 999px;
}
.plan .price { font-size: 2.3rem; font-weight: 700; margin: .4rem 0 0; }
.plan .price small { font-size: .95rem; color: var(--slate); font-weight: 500; }
.plan ul { list-style: none; margin: 1.2rem 0 1.6rem; padding: 0; flex: 1; }
.plan li { padding: .3rem 0 .3rem 1.5rem; position: relative; color: var(--slate); font-size: .95rem; }
.plan li::before { content: "\2713"; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.plan li.muted { color: var(--slate-light); }
.plan li.muted::before { content: "\2013"; color: var(--slate-light); }

/* --- FAQ ------------------------------------------------------------------- */
.faq { max-width: 46rem; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--border); padding: .9rem 0; }
.faq summary { font-weight: 600; cursor: pointer; }
.faq details p { margin: .7rem 0 0; color: var(--slate); }

/* --- CTA band -------------------------------------------------------------- */
.cta-band { background: var(--ink); color: #fff; text-align: center; padding: 3.5rem 1.25rem; }
.cta-band h2 { color: #fff; }
.cta-band p { color: var(--slate-light); max-width: 36rem; margin: 0 auto 1.5rem; }

/* --- Contact --------------------------------------------------------------- */
.contact-cards { max-width: 52rem; margin: 0 auto; }

/* --- Footer ---------------------------------------------------------------- */
.site-footer { background: var(--ink); color: var(--slate-light); padding: 3rem 0 2rem; margin-top: 0; }
.footer-grid { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.footer-brand p { margin-top: .8rem; font-size: .9rem; max-width: 20rem; }
.footer-links { display: flex; flex-direction: column; gap: .45rem; }
.footer-links a { color: #cbd5e1; font-size: .92rem; }
.footer-legal { border-top: 1px solid rgba(148, 163, 184, .2); margin-top: 2rem; padding-top: 1.2rem; font-size: .85rem; }

/* --- Responsive ------------------------------------------------------------ */
@media (max-width: 900px) {
    .hero .container { grid-template-columns: 1fr; }
    .grid-3, .plans { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .feature-row { grid-template-columns: 1fr; gap: .6rem; }
    .nav-links { order: 3; width: 100%; padding-bottom: .4rem; }
}