/* Kuvello preview site: one stylesheet for the Hebrew (RTL) and English (LTR)
   pages. Mobile first; logical properties only, so nothing is mirrored by hand. */
:root {
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --accent: #0f766e;
  --accent-ink: #ffffff;
  --accent-soft: #ecfdf5;
  --wa-bg: #efeae2;
  --wa-in: #ffffff;
  --wa-out: #d9fdd3;
  --r: 14px;
  --shadow: 0 1px 2px rgba(15,23,42,.06), 0 8px 24px rgba(15,23,42,.06);
  --font: "Heebo", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}
:lang(en) { --font: "Inter", system-ui, -apple-system, "Segoe UI", Arial, sans-serif; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg);
       font-size: 17px; line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 1.3rem + 3.4vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 1.15rem + 1.6vw, 2.25rem); font-weight: 800; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }

.wrap { max-width: 1120px; margin-inline: auto; padding-inline: 16px; }
@media (min-width: 720px) { .wrap { padding-inline: 32px; } }
section { padding-block: clamp(56px, 8vw, 104px); }
.soft { background: var(--bg-soft); border-block: 1px solid var(--line); }
.eyebrow { font-size: .85rem; font-weight: 700; color: var(--accent); letter-spacing: .04em; margin-bottom: .6rem; }
:lang(en) .eyebrow { text-transform: uppercase; letter-spacing: .08em; }
.lead { font-size: clamp(1.05rem, 1rem + .4vw, 1.25rem); color: var(--ink-2); max-width: 40rem; }
.section-head { max-width: 44rem; margin-bottom: clamp(28px, 4vw, 48px); }

/* preview banner */
.preview-bar { background: #fef3c7; color: #78350f; font-size: .85rem; text-align: center; padding: 8px 16px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92);
               backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { font-weight: 800; font-size: 1.3rem; color: var(--ink); text-decoration: none; letter-spacing: -.02em;
         font-family: "Inter", var(--font); }
.nav { display: flex; align-items: center; gap: 8px; }
.nav a.lang { color: var(--muted); text-decoration: none; font-size: .9rem; padding: 6px 10px; }
.nav .btn { padding: 9px 16px; font-size: .92rem; }
@media (max-width: 479px) { .nav .btn { display: none; } }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 999px;
       padding: 14px 24px; font-weight: 700; font-size: 1rem; text-decoration: none; border: 1.5px solid transparent;
       transition: transform .12s ease, box-shadow .12s ease; font-family: inherit; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 6px 18px rgba(15,118,110,.25); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn svg { width: 20px; height: 20px; flex: none; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
@media (max-width: 479px) { .actions .btn { width: 100%; } }

/* hero */
.hero { padding-block: clamp(40px, 7vw, 96px); }
.hero .grid { display: grid; gap: 48px; align-items: center; }
@media (min-width: 960px) { .hero .grid { grid-template-columns: 1.1fr .9fr; } }
.outcomes { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; }
@media (min-width: 560px) { .outcomes { grid-template-columns: 1fr 1fr; } }
.outcomes li { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; color: var(--ink-2); }
.outcomes li::before { content: ""; flex: none; width: 20px; height: 20px; margin-top: 3px; border-radius: 50%;
  background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f766e' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat; }

/* WhatsApp phone mock-up */
.phone { max-width: 380px; margin-inline: auto; border-radius: 32px; background: #111; padding: 10px; box-shadow: var(--shadow); }
.phone-screen { border-radius: 24px; overflow: hidden; background: var(--wa-bg); }
.wa-top { background: #075e54; color: #fff; padding: 12px 16px; display: flex; align-items: center; gap: 10px; font-size: .95rem; }
.wa-top .av { width: 34px; height: 34px; border-radius: 50%; background: #25d366; display: grid; place-items: center; font-weight: 800; font-family: "Inter", sans-serif; }
.wa-top small { display: block; opacity: .8; font-size: .75rem; }
.wa-chat { padding: 14px 10px 18px; display: flex; flex-direction: column; gap: 8px; font-size: .9rem; line-height: 1.45; }
.msg { max-width: 85%; padding: 7px 10px 6px; border-radius: 10px; box-shadow: 0 1px .5px rgba(0,0,0,.13); white-space: pre-line; }
.msg time { display: block; text-align: end; font-size: .68rem; color: #667781; margin-top: 2px; }
.msg.in { background: var(--wa-in); align-self: flex-start; }
.msg.out { background: var(--wa-out); align-self: flex-end; }
.msg .list-btn, .wa-btns a { display: block; text-align: center; color: #008069; font-weight: 600; text-decoration: none; }
.msg .list-btn { border-top: 1px solid #e9edef; margin: 6px -10px -6px; padding: 8px; }
.wa-btns { align-self: flex-start; max-width: 85%; width: 85%; display: grid; gap: 4px; margin-top: -4px; }
.wa-btns a { background: var(--wa-in); border-radius: 10px; padding: 9px; box-shadow: 0 1px .5px rgba(0,0,0,.13); }
.wa-note { text-align: center; font-size: .8rem; color: var(--muted); margin-top: 12px; }

/* cards & grids */
.cards { display: grid; gap: 16px; }
@media (min-width: 720px) { .cards.c2 { grid-template-columns: 1fr 1fr; } .cards.c3 { grid-template-columns: repeat(3, 1fr); } }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 24px; }
.card p { color: var(--ink-2); margin: 0; font-size: .98rem; }
.card .num { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
             background: var(--accent-soft); color: var(--accent); font-weight: 800; margin-bottom: 12px; font-family: "Inter", sans-serif; }

/* product */
.product .grid { display: grid; gap: 40px; align-items: start; }
@media (min-width: 960px) { .product .grid { grid-template-columns: .8fr 1.2fr; } }
.shot { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow); background: #fff; }
.shot + .shot { margin-top: 16px; }
.caption { font-size: .85rem; color: var(--muted); margin-top: 10px; }

/* safety */
.safety-list { display: grid; gap: 16px; }
@media (min-width: 720px) { .safety-list { grid-template-columns: 1fr 1fr; } }
.safety-list .card { border-inline-start: 4px solid var(--accent); }
.quote { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin-top: 12px;
         font-size: .9rem; color: var(--ink-2); }

/* data */
.facts { display: grid; gap: 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: #fff; }
.facts div { display: grid; gap: 4px; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.facts div:last-child { border-bottom: 0; }
@media (min-width: 720px) { .facts div { grid-template-columns: 200px 1fr; gap: 24px; } }
.facts dt { font-weight: 700; }
.facts dd { margin: 0; color: var(--ink-2); }

/* faq */
.faq { max-width: 760px; }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 800; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 10px 0 0; color: var(--ink-2); }

/* closing call to action */
.cta { text-align: center; }
.cta .actions { justify-content: center; }
.cta .lead { margin-inline: auto; }

/* footer */
.site-footer { background: var(--ink); color: #cbd5e1; padding-block: 48px 32px; font-size: .92rem; }
.site-footer a { color: #e2e8f0; }
.site-footer .cols { display: grid; gap: 28px; }
@media (min-width: 720px) { .site-footer .cols { grid-template-columns: 1.2fr 1fr 1fr; } }
.site-footer h3 { color: #fff; font-size: .95rem; margin-bottom: 10px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.site-footer .fine { border-top: 1px solid #1e293b; margin-top: 32px; padding-top: 20px; font-size: .8rem; color: #94a3b8; }
.ltr { direction: ltr; unicode-bidi: isolate; display: inline-block; }

/* legal page */
.legal dl { display: grid; gap: 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.legal dl div { display: grid; gap: 4px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.legal dl div:last-child { border-bottom: 0; }
@media (min-width: 720px) { .legal dl div { grid-template-columns: 200px 1fr; } }
.legal dt { font-weight: 700; }
.legal dd { margin: 0; }