:root {
  --ink: #0f1c2b; --muted: #5b6b7f; --line: #dbe3ea; --paper: #f5f7f6; --white: #fff;
  --teal: #0e7c99; --teal-dark: #0a5f76; --teal-soft: #dff2f6; --navy: #0f2a3d;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--paper); color: var(--ink); font-family: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: var(--teal-dark); }
.container { width: min(1060px, calc(100% - 40px)); margin: 0 auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 76px; border-bottom: 1px solid rgba(15, 28, 43, .08); }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); font-family: "Manrope", sans-serif; font-weight: 800; font-size: 18px; text-decoration: none; }
.brand img { width: 38px; height: 38px; border-radius: 10px; display: block; }
.nav { display: flex; gap: 22px; }
.nav a { color: var(--muted); font-size: 14px; font-weight: 600; text-decoration: none; }
.nav a:hover { color: var(--ink); }
@media (max-width: 640px) { .nav { display: none; } }
.kicker { color: var(--teal-dark); font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
h1 { font-family: "Manrope", sans-serif; font-size: clamp(38px, 6vw, 62px); line-height: 1.05; letter-spacing: -.04em; margin-top: 10px; }
h2 { font-family: "Manrope", sans-serif; font-size: clamp(28px, 4vw, 40px); line-height: 1.1; letter-spacing: -.03em; }
h3 { font-family: "Manrope", sans-serif; font-size: 20px; letter-spacing: -.01em; }
.lead { margin-top: 18px; color: var(--muted); font-size: 19px; max-width: 560px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px; align-items: center; padding: 64px 0 72px; }
@media (max-width: 820px) { .hero { grid-template-columns: 1fr; padding: 44px 0 56px; } }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 8px; border-radius: 12px; padding: 13px 20px; font-weight: 700; text-decoration: none; font-size: 15px; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #1b2d44; }
.btn-ghost { background: var(--white); color: var(--ink); border: 1px solid var(--line); }
.note { color: var(--muted); font-size: 14px; }
.phone { position: relative; margin: 0 auto; width: min(320px, 100%); border-radius: 36px; background: #000; padding: 10px; box-shadow: 0 30px 70px rgba(15, 42, 61, .22); }
.phone img, .phone video { display: block; width: 100%; height: auto; border-radius: 28px; }
section { padding: 64px 0; }
section.alt { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head p { margin-top: 12px; color: var(--muted); font-size: 17px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
@media (max-width: 820px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }
.card { padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: var(--white); }
section.alt .card { background: var(--paper); }
.card p { margin-top: 10px; color: var(--muted); font-size: 15px; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step .num { flex: none; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--teal-soft); color: var(--teal-dark); font-weight: 800; font-family: "Manrope", sans-serif; }
.screens { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; align-items: start; }
@media (max-width: 820px) { .screens { grid-template-columns: 1fr; } }
.screens figure { margin: 0; }
.screens figure { max-width: 270px; margin: 0 auto; }
.phone.small { width: 100%; padding: 8px; border-radius: 30px; box-shadow: 0 22px 50px rgba(15, 42, 61, .18); }
.phone.small img { border-radius: 23px; }
.screens figcaption { margin-top: 14px; color: var(--muted); font-size: 14px; }
.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; align-items: start; }
@media (max-width: 820px) { .plans { grid-template-columns: 1fr; } }
.plan { padding: 30px; border-radius: 22px; border: 1px solid var(--line); background: var(--white); }
.plan.pro { border-color: var(--teal); box-shadow: 0 18px 44px rgba(14, 124, 153, .12); }
.plan .price { font-family: "Manrope", sans-serif; font-size: 40px; font-weight: 800; letter-spacing: -.03em; margin-top: 8px; }
.plan .price small { display: block; margin-top: 2px; font-size: 15px; font-weight: 600; color: var(--muted); letter-spacing: 0; }
.plan ul { margin: 18px 0 0; padding-left: 20px; color: var(--muted); font-size: 15px; display: grid; gap: 8px; }
.faq { display: grid; gap: 14px; max-width: 760px; }
.faq details { border: 1px solid var(--line); border-radius: 16px; background: var(--white); padding: 16px 20px; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq p { margin-top: 10px; color: var(--muted); font-size: 15px; }
.footer { padding: 40px 0 56px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
.footer .links { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 14px; }
.footer a { color: var(--ink); text-decoration: none; font-weight: 600; }
.footer .more { margin-bottom: 12px; font-size: 13px; color: var(--muted); }
.footer .more a { font-weight: 600; color: var(--teal-dark); }
.prose { max-width: 760px; padding: 56px 0 80px; }
.prose h1 { font-size: clamp(34px, 5vw, 50px); }
.prose h2 { font-size: 24px; margin-top: 38px; }
.prose p, .prose li { margin-top: 12px; color: #2c3a4b; font-size: 16px; }
.prose ul { padding-left: 22px; }
.prose .updated { color: var(--muted); font-size: 14px; margin-top: 8px; }

/* contact form (support page) */
.contact-form { display: grid; gap: 18px; margin-top: 28px; padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: var(--white); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .field-row { grid-template-columns: 1fr; } }
.contact-form label { display: grid; gap: 8px; font-weight: 600; font-size: 15px; }
.contact-form .optional { color: var(--muted); font-size: 13px; font-weight: 400; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 1px solid #c9d4de; border-radius: 11px; padding: 12px 14px; background: #fff; color: var(--ink); font: inherit; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: 0; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(14, 124, 153, .14); }
.contact-form textarea { min-height: 150px; resize: vertical; }
.contact-form button { justify-self: start; border: 0; border-radius: 12px; padding: 13px 22px; background: var(--ink); color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
.contact-form button:hover { background: #1b2d44; }
.contact-form button:disabled { opacity: .6; cursor: wait; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.contact-status { min-height: 1.5em; margin: 0; color: var(--muted); font-size: 14px; }
.contact-status.success { color: #187443; }
.contact-status.error { color: #a5362c; }