/* OmniTov · página comercial */
:root {
  --ink: #171423;
  --ink-2: #3b3750;
  --muted: #6e6a80;
  --bg: #fbfaf8;
  --bg-soft: #f3f1fa;
  --line: #e7e4ef;
  --night: #151126;
  --night-2: #211b3d;
  --violet: #6545e8;
  --violet-2: #8b5cf6;
  --indigo: #3b2bb3;
  --pink: #e8338f;
  --orange: #ff8a5b;
  --grad: linear-gradient(120deg, #5b3df5 0%, #b84dea 45%, #f0438f 72%, #ff8a5b 100%);
  --radius: 18px;
  --shadow: 0 24px 60px -24px rgba(40, 20, 110, .35);
  --container: 1160px;
  font-family: "Plus Jakarta Sans", Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.025em; margin: 0 0 .6em; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); font-weight: 800; }
h3 { font-size: 1.12rem; font-weight: 700; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; }
.center { text-align: center; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow { display: inline-block; font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--violet); margin-bottom: 14px; }
.section { padding: 110px 0; }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.section-lead { font-size: 1.12rem; color: var(--muted); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 999px; font: inherit; font-weight: 700; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s; white-space: nowrap; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad); background-size: 140% 100%; color: #fff; box-shadow: 0 12px 30px -10px rgba(184, 77, 234, .7); }
.btn-primary:hover { box-shadow: 0 16px 36px -10px rgba(240, 67, 143, .75); background-position: 100% 0; }
.btn-ghost { background: rgba(255, 255, 255, .08); color: #fff; border: 1px solid rgba(255, 255, 255, .22); }
.btn-ghost:hover { background: rgba(255, 255, 255, .15); }
.btn-sm { padding: 10px 18px; font-size: .92rem; }
.btn-lg { padding: 16px 28px; font-size: 1.02rem; }

/* Nav */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 50; transition: background .3s, box-shadow .3s; }
.nav.scrolled { background: rgba(21, 17, 38, .88); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 1px 0 rgba(255, 255, 255, .06); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; letter-spacing: -.02em; color: #fff; }
.brand b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: rgba(255, 255, 255, .78); font-weight: 600; font-size: .95rem; transition: color .2s; }
.nav-links a:hover { color: #fff; }
.nav-links .btn { color: #fff; }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero { position: relative; background: radial-gradient(circle at 18% 12%, #3d2a86 0%, var(--night) 55%); color: #fff; padding: 150px 0 110px; overflow: hidden; }
.hero-glow { position: absolute; width: 760px; height: 760px; right: -200px; top: -120px; background: radial-gradient(circle, rgba(240, 67, 143, .35), rgba(91, 61, 245, .15) 45%, transparent 70%); filter: blur(30px); pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .14); font-size: .86rem; font-weight: 600; color: #e5defc; margin-bottom: 26px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #3ee08f; box-shadow: 0 0 0 4px rgba(62, 224, 143, .2); }
.hero h1 { font-size: clamp(2.5rem, 5.4vw, 4.4rem); font-weight: 800; letter-spacing: -.045em; line-height: 1.02; margin-bottom: 24px; }
.lead { font-size: 1.18rem; color: #c9c2e0; max-width: 560px; margin-bottom: 34px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 32px; }
.hero-checks { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 26px; color: #b7afd2; font-size: .94rem; font-weight: 600; }
.hero-checks li::before { content: "✓"; color: #3ee08f; font-weight: 800; margin-right: 8px; }

/* Phone mockup */
.hero-visual { position: relative; display: flex; justify-content: center; }
.phone { width: 300px; height: 610px; border-radius: 46px; background: #0c0a16; padding: 12px; box-shadow: 0 50px 100px -30px rgba(0, 0, 0, .7), 0 0 0 1px rgba(255, 255, 255, .1), inset 0 0 0 2px #2a2440; position: relative; transform: rotate(-3deg); }
.phone-notch { position: absolute; top: 20px; left: 50%; transform: translateX(-50%); width: 90px; height: 24px; border-radius: 20px; background: #0c0a16; z-index: 3; }
.phone-screen { position: relative; width: 100%; height: 100%; border-radius: 36px; overflow: hidden; background: #fff; color: var(--ink); }
.screen { position: absolute; inset: 0; padding: 54px 16px 16px; opacity: 0; transform: translateX(30px); transition: opacity .55s ease, transform .55s ease; pointer-events: none; display: flex; flex-direction: column; }
.screen.is-active { opacity: 1; transform: none; }
.screen.is-leaving { opacity: 0; transform: translateX(-30px); }
.avatar { width: 30px; height: 30px; border-radius: 50%; flex: none; display: inline-block; }
.a1 { background: var(--grad); }
.a2 { background: linear-gradient(135deg, #ffd36e, #ff8a5b); }
.a3 { background: linear-gradient(135deg, #6ee7f9, #6545e8); }
.ig-head { display: flex; align-items: center; gap: 8px; font-size: .86rem; margin-bottom: 10px; }
.muted { color: #9a96a8; }
.ig-media { flex: 1; min-height: 0; border-radius: 16px; background: linear-gradient(160deg, #ffb38a 0%, #f0438f 50%, #5b3df5 100%); display: flex; align-items: flex-end; padding: 14px; position: relative; overflow: hidden; }
.ig-media::before { content: ""; position: absolute; width: 150px; height: 150px; border-radius: 50%; background: rgba(255, 255, 255, .25); top: 34px; left: 50%; transform: translateX(-50%); }
.media-tag { position: relative; background: rgba(0, 0, 0, .45); color: #fff; border-radius: 12px; padding: 8px 12px; font-size: .82rem; font-weight: 600; }
.ig-comments { padding-top: 12px; display: grid; gap: 10px; }
.comment { display: flex; gap: 8px; align-items: center; font-size: .82rem; }
.comment p { margin: 0; }
.comment-new { opacity: 0; transform: translateY(8px); transition: all .45s ease; }
.comment-new.show { opacity: 1; transform: none; }
.comment-new.show p { background: #f2eeff; border-radius: 10px; padding: 4px 8px; }
.dm-head { display: flex; align-items: center; gap: 10px; padding-bottom: 12px; border-bottom: 1px solid #f0eef4; }
.dm-head b { display: block; font-size: .9rem; }
.dm-head small { color: #9a96a8; font-size: .74rem; }
.dm-body { display: flex; flex-direction: column; gap: 10px; padding-top: 16px; }
.bubble { max-width: 82%; padding: 10px 14px; border-radius: 20px; font-size: .84rem; line-height: 1.4; }
.bubble.in { background: #f0eef5; align-self: flex-start; border-bottom-left-radius: 6px; }
.bubble.out { background: var(--grad); color: #fff; align-self: flex-end; border-bottom-right-radius: 6px; }
.bubble.card { display: grid; gap: 10px; }
.card-btn { display: block; text-align: center; background: #fff; border-radius: 12px; padding: 8px; font-weight: 700; color: var(--violet); font-size: .82rem; }
.quick { align-self: flex-start; }
.quick span { display: inline-block; border: 1.5px solid var(--violet); color: var(--violet); border-radius: 999px; padding: 6px 14px; font-size: .8rem; font-weight: 700; }
.quick.tap span { background: var(--violet); color: #fff; }
.step { opacity: 0; transform: translateY(10px); transition: opacity .45s ease, transform .45s ease; }
.step.show { opacity: 1; transform: none; }
.float-card { position: absolute; display: flex; align-items: center; gap: 12px; background: rgba(255, 255, 255, .96); color: var(--ink); padding: 12px 16px; border-radius: 16px; box-shadow: var(--shadow); font-size: .86rem; animation: floaty 6s ease-in-out infinite; }
.float-card b { display: block; }
.float-card small { color: var(--muted); }
.fc-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--bg-soft); display: grid; place-items: center; font-size: 1.1rem; }
.fc-1 { left: -30px; bottom: 50px; }
.fc-2 { right: -20px; top: 60px; animation-delay: -3s; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* Strip */
.strip { background: var(--night); color: #fff; border-top: 1px solid rgba(255, 255, 255, .07); }
.strip-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-top: 30px; padding-bottom: 30px; }
.strip-inner div { display: grid; gap: 2px; }
.strip-inner b { font-size: 1rem; }
.strip-inner span { color: #a49cbf; font-size: .88rem; }

/* Problem */
.problem { padding-bottom: 40px; }
.problem h2 { font-size: clamp(1.8rem, 3.4vw, 2.7rem); }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 30px; position: relative; transition: transform .25s, box-shadow .25s; }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.step-card p { color: var(--muted); margin: 0; }
.step-num { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: var(--grad); color: #fff; font-weight: 800; font-size: 1.2rem; margin-bottom: 22px; }

/* Builder */
.builder { background: var(--bg-soft); }
.builder-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.ticks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.ticks li { position: relative; padding-left: 34px; color: var(--ink-2); }
.ticks li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%; background: #e7e0ff; color: var(--violet); display: grid; place-items: center; font-size: .75rem; font-weight: 800; }
.ticks.light li { color: #d6d0ea; }
.ticks.light li::before { background: rgba(139, 92, 246, .25); color: #c4b5fd; }
.ui-window { background: #fff; border-radius: 20px; box-shadow: var(--shadow); border: 1px solid var(--line); overflow: hidden; }
.ui-bar { display: flex; align-items: center; gap: 7px; padding: 14px 18px; background: #f8f7fb; border-bottom: 1px solid var(--line); }
.ui-bar i { width: 11px; height: 11px; border-radius: 50%; background: #e1dde9; }
.ui-bar i:first-child { background: #ff6b6b; } .ui-bar i:nth-child(2) { background: #ffc94d; } .ui-bar i:nth-child(3) { background: #3ee08f; }
.ui-bar span { margin-left: 10px; font-size: .84rem; font-weight: 700; color: var(--muted); }
.ui-body { padding: 24px; display: grid; gap: 16px; }
.ui-field { display: grid; gap: 6px; min-width: 0; }
.ui-field label { font-size: .76rem; font-weight: 700; color: #5d5968; }
.ui-select, .ui-input { border: 1px solid #dadce5; border-radius: 10px; padding: 10px 12px; font-size: .88rem; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ui-select { position: relative; padding-right: 32px; }
.ui-select::after { content: "⌄"; position: absolute; right: 12px; top: 6px; color: var(--muted); }
.ui-link { color: var(--violet); }
.ui-tags { display: flex; flex-wrap: wrap; gap: 6px; border: 1px solid #dadce5; border-radius: 10px; padding: 8px; }
.ui-tags span { background: #eeebff; color: var(--violet); border-radius: 999px; padding: 3px 10px; font-size: .8rem; font-weight: 700; }
.ui-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ui-actions { display: flex; justify-content: space-between; align-items: center; padding-top: 4px; }
.ui-badge { background: #eeebff; color: var(--violet); border-radius: 999px; padding: 5px 12px; font-size: .78rem; font-weight: 700; }
.ui-badge.active { background: #dcfae6; color: #087443; }
.ui-btn { background: var(--violet); color: #fff; border-radius: 10px; padding: 9px 18px; font-weight: 700; font-size: .88rem; }

/* Features */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; transition: transform .25s, box-shadow .25s, border-color .25s; }
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.feature p { color: var(--muted); font-size: .95rem; margin: 0; }
.f-icon { width: 48px; height: 48px; border-radius: 14px; background: linear-gradient(135deg, #efeaff, #ffe8f2); display: grid; place-items: center; margin-bottom: 20px; }
.f-icon svg { width: 24px; height: 24px; fill: none; stroke: var(--violet); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Results */
.dark { background: radial-gradient(circle at 85% 20%, #3d2a86 0%, var(--night) 60%); color: #fff; }
.dark .section-lead { color: #bdb5d6; }
.dark .eyebrow { color: #b9a6ff; }
.results-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
.dash { background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12); border-radius: 22px; padding: 26px; backdrop-filter: blur(8px); }
.dash-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.dash-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 22px; }
.dash-metrics div { background: rgba(255, 255, 255, .06); border-radius: 14px; padding: 14px; min-width: 0; }
.dash-metrics span { display: block; font-size: .74rem; color: #a49cbf; }
.dash-metrics strong { font-size: 1.6rem; letter-spacing: -.02em; }
.dash-chart { display: flex; align-items: flex-end; gap: 8px; height: 130px; padding: 0 4px 0; border-bottom: 1px solid rgba(255, 255, 255, .1); margin-bottom: 16px; }
.dash-chart i { flex: 1; height: var(--h); border-radius: 6px 6px 2px 2px; background: linear-gradient(to top, #5b3df5, #f0438f); transform-origin: bottom; transform: scaleY(.05); transition: transform .9s cubic-bezier(.2, .8, .2, 1); }
.dash.visible .dash-chart i { transform: scaleY(1); }
.dash-chart i:nth-child(n) { transition-delay: calc(var(--i, 0) * 50ms); }
.dash-rows { display: grid; gap: 4px; }
.dash-rows div { display: flex; justify-content: space-between; font-size: .88rem; padding: 8px 4px; border-bottom: 1px solid rgba(255, 255, 255, .06); }
.dash-rows em { font-style: normal; font-weight: 700; color: #3ee08f; }
.dash-rows em.sent { color: #c4b5fd; }
.dash-note { display: block; text-align: right; color: #7f779c; font-size: .74rem; margin-top: 10px; }

/* Cases */
.cases { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.case { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; }
.case p { color: var(--muted); font-size: .94rem; margin: 0; }
.case-emoji { font-size: 1.9rem; display: block; margin-bottom: 14px; }

/* Security */
.security { padding-top: 0; }
.security-box { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 28px; padding: 56px; box-shadow: 0 30px 80px -50px rgba(40, 20, 110, .35); }
.sec-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.sec-list li { display: grid; gap: 4px; padding: 18px; border-radius: 14px; background: var(--bg-soft); }
.sec-list span { color: var(--muted); font-size: .92rem; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 4px 24px; transition: box-shadow .2s; }
.faq details[open] { box-shadow: var(--shadow); border-color: transparent; }
.faq summary { cursor: pointer; list-style: none; font-weight: 700; padding: 18px 32px 18px 0; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.5rem; font-weight: 500; color: var(--violet); transition: transform .25s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--muted); padding-bottom: 8px; }

/* CTA */
.cta { padding-top: 40px; }
.cta-box { position: relative; overflow: hidden; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; background: radial-gradient(circle at 0% 0%, #4b33b8 0%, var(--night) 60%); color: #fff; border-radius: 32px; padding: 64px; }
.cta-box::after { content: ""; position: absolute; width: 420px; height: 420px; right: -120px; bottom: -180px; background: radial-gradient(circle, rgba(240, 67, 143, .45), transparent 70%); pointer-events: none; }
.cta-copy img { margin-bottom: 22px; }
.cta-copy h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
.cta-copy p { color: #c9c2e0; font-size: 1.08rem; margin: 0; }
.cta-form { position: relative; z-index: 1; display: grid; gap: 14px; background: #fff; color: var(--ink); padding: 30px; border-radius: 22px; box-shadow: 0 30px 80px rgba(9, 6, 18, .4); }
.cta-form label { display: grid; gap: 6px; font-size: .84rem; font-weight: 700; color: #5d5968; }
.cta-form input { font: inherit; font-weight: 500; border: 1px solid #dadce5; border-radius: 12px; padding: 13px 14px; background: #fff; color: var(--ink); transition: border-color .2s, box-shadow .2s; }
.cta-form input:focus { outline: none; border-color: var(--violet); box-shadow: 0 0 0 4px rgba(101, 69, 232, .15); }
.cta-form input.invalid { border-color: #e5484d; }
.cta-form .btn { margin-top: 4px; white-space: normal; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field-err { margin-top: -8px; font-size: .8rem; font-weight: 600; color: #c62828; min-height: 0; }
.field-err:empty { display: none; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.robot-check { display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 12px; align-items: center; text-align: left; width: 100%; padding: 12px 14px; border: 1px solid #dadce5; border-radius: 12px; background: #fafafc; color: var(--ink); font: inherit; cursor: pointer; transition: border-color .2s, background .2s; }
.robot-check:hover { border-color: var(--violet); }
.robot-check:disabled { cursor: default; }
.rc-box { grid-row: 1 / span 2; width: 26px; height: 26px; border: 2px solid #b9b5c6; border-radius: 7px; background: #fff; display: grid; place-items: center; transition: all .2s; }
.rc-label { font-weight: 700; font-size: .95rem; }
.rc-hint { font-size: .74rem; color: var(--muted); }
.robot-check.working .rc-box { border-color: var(--violet); border-top-color: transparent; border-radius: 50%; animation: rc-spin .8s linear infinite; }
.robot-check.done { border-color: #a7e3bf; background: #f0fbf4; }
.robot-check.done .rc-box { border-color: #12a150; background: #12a150; }
.robot-check.done .rc-box::after { content: "✓"; color: #fff; font-weight: 800; font-size: .9rem; }
.robot-check.failed { border-color: #e5484d; }
.robot-check.invalid { border-color: #e5484d; }
@keyframes rc-spin { to { transform: rotate(360deg); } }
.form-msg { margin: 0; font-size: .9rem; font-weight: 600; min-height: 1.2em; }
.form-msg.ok { color: #087443; }
.form-msg.err { color: #c62828; }

/* Footer */
.footer { padding: 48px 0; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.footer .brand { color: var(--ink); }
.footer nav { display: flex; flex-wrap: wrap; gap: 22px; }
.footer nav a { color: var(--muted); font-weight: 600; font-size: .92rem; }
.footer nav a:hover { color: var(--violet); }
.footer small { width: 100%; color: #9a96a8; font-size: .8rem; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

:focus-visible { outline: 3px solid #b9a6ff; outline-offset: 3px; border-radius: 6px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .step, .comment-new { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 1080px) {
  .features { grid-template-columns: repeat(2, 1fr); }
  .cases { grid-template-columns: repeat(3, 1fr); }
  .nav-links { gap: 20px; }
}
@media (max-width: 920px) {
  .section { padding: 80px 0; }
  .nav-toggle { display: block; }
  .nav-links { position: fixed; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 4px; padding: 16px 24px 24px; background: rgba(21, 17, 38, .97); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); transform: translateY(-12px); opacity: 0; visibility: hidden; transition: all .25s ease; }
  .nav-links.open { transform: none; opacity: 1; visibility: visible; }
  .nav-links a { padding: 12px 0; font-size: 1.05rem; border-bottom: 1px solid rgba(255, 255, 255, .06); }
  .nav-links .btn { margin-top: 12px; border: 0; padding: 14px; }
  .nav.menu-open { background: rgba(21, 17, 38, .97); }
  .hero { padding: 120px 0 80px; }
  .hero-grid, .builder-grid, .results-grid, .security-box, .cta-box { grid-template-columns: 1fr; gap: 48px; }
  .hero-copy { text-align: center; }
  .lead { margin-left: auto; margin-right: auto; }
  .hero-ctas, .hero-checks { justify-content: center; }
  .strip-inner { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .security-box { padding: 40px; }
  .cta-box { padding: 48px 36px; }
}
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 36px; }
  .btn-lg { width: 100%; }
  .hero-checks { gap: 8px 18px; font-size: .88rem; }
  .phone { width: 270px; height: 550px; transform: none; }
  .float-card { font-size: .78rem; padding: 10px 12px; }
  .fc-icon { width: 30px; height: 30px; }
  .fc-1 { left: -4px; bottom: 24px; }
  .fc-2 { right: -4px; top: 30px; }
  .strip-inner { grid-template-columns: 1fr; gap: 16px; }
  .features, .cases, .sec-list { grid-template-columns: 1fr; }
  .ui-body { padding: 18px; }
  .ui-row { grid-template-columns: 1fr; }
  .dash { padding: 18px; }
  .dash-metrics { grid-template-columns: repeat(2, 1fr); }
  .security-box { padding: 28px 22px; border-radius: 22px; }
  .cta-box { padding: 36px 20px; border-radius: 24px; }
  .cta-form { padding: 22px; }
  .field-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}