/* ==========================================================================
   NOA Sistemas — Landing page
   ========================================================================== */

:root {
    --primary: #4f46e5;
    --primary-600: #4338ca;
    --accent: #7c3aed;
    --cyan: #22d3ee;
    --green: #10b981;
    --grad: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);

    --text: #0f172a;
    --muted: #64748b;
    --line: #e2e8f0;
    --bg: #ffffff;
    --bg-soft: #f8fafc;
    --dark: #0b1020;
    --dark-2: #141a2f;

    --radius: 18px;
    --radius-sm: 10px;
    --shadow: 0 10px 30px -12px rgba(15, 23, 42, .18);
    --shadow-lg: 0 30px 60px -20px rgba(79, 70, 229, .35);

    --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-title: 'Sora', var(--font);
    --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--primary); text-decoration: none; }
h1, h2, h3 { font-family: var(--font-title); line-height: 1.15; margin: 0 0 .6em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---------- Botões ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    padding: .95rem 1.5rem; border-radius: 999px; border: 1px solid transparent;
    font-weight: 600; font-size: .98rem; cursor: pointer; font-family: inherit;
    transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: var(--grad); color: #fff; box-shadow: 0 10px 24px -10px rgba(79, 70, 229, .7); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -10px rgba(79, 70, 229, .75); }
.btn--ghost { background: #fff; color: var(--text); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn--light { background: #fff; color: var(--dark); }
.btn--light:hover { transform: translateY(-2px); }
.btn--sm { padding: .6rem 1.1rem; font-size: .9rem; }
.btn--block { width: 100%; }

.link-arrow { display: inline-flex; align-items: center; gap: .4rem; font-weight: 600; margin-top: auto; }
.link-arrow svg { width: 16px; height: 16px; transition: transform .2s; }
.link-arrow:hover svg { transform: translateX(4px); }

.eyebrow {
    display: inline-flex; align-items: center; gap: .5rem;
    font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
    color: var(--primary); background: rgba(79, 70, 229, .08);
    padding: .4rem .85rem; border-radius: 999px; margin-bottom: 1rem;
}
.eyebrow--light { color: #c7d2fe; background: rgba(255, 255, 255, .08); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(16, 185, 129, .2); }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Header ---------- */
.header {
    position: fixed; inset: 0 0 auto; z-index: 50; height: var(--header-h);
    background: rgba(255, 255, 255, .8); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s;
}
.header.is-scrolled { border-color: var(--line); box-shadow: 0 4px 20px -12px rgba(15, 23, 42, .2); }
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.logo { display: inline-flex; align-items: center; gap: .6rem; color: var(--text); }
.logo__mark {
    width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
    background: var(--grad); color: #fff; font-family: var(--font-title); font-weight: 800; font-size: 1.15rem;
}
.logo__text { font-family: var(--font-title); font-weight: 800; font-size: 1.15rem; letter-spacing: -.02em; }
.logo__text strong { font-weight: 600; color: var(--muted); margin-left: .2rem; }
.logo--light { color: #fff; }
.logo--light .logo__text strong { color: #a5b4fc; }

.nav { display: flex; align-items: center; gap: 1.8rem; }
.nav a:not(.btn) { color: var(--text); font-weight: 500; font-size: .95rem; position: relative; }
.nav a:not(.btn)::after {
    content: ''; position: absolute; left: 0; bottom: -4px; width: 0; height: 2px;
    background: var(--grad); transition: width .25s;
}
.nav a:not(.btn):hover::after { width: 100%; }

.menu-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; transition: transform .3s, opacity .3s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: calc(var(--header-h) + 70px) 0 90px; overflow: hidden; }
.hero__bg {
    position: absolute; inset: 0; z-index: -1;
    background:
        radial-gradient(600px 400px at 85% 15%, rgba(124, 58, 237, .16), transparent 70%),
        radial-gradient(500px 400px at 10% 80%, rgba(79, 70, 229, .12), transparent 70%),
        linear-gradient(var(--bg-soft), #fff);
}
.hero__bg::after {
    content: ''; position: absolute; inset: 0;
    background-image: linear-gradient(rgba(15, 23, 42, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(15, 23, 42, .04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero__inner { display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: center; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 560px; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0 1.6rem; }
.hero__checks { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; color: var(--muted); font-size: .92rem; font-weight: 500; }
.hero__checks li { display: flex; align-items: center; gap: .4rem; }
.hero__checks svg { width: 18px; height: 18px; color: var(--green); }

/* Mockup do painel */
.hero__visual { position: relative; }
.mock {
    background: #fff; border-radius: var(--radius); border: 1px solid var(--line);
    box-shadow: var(--shadow-lg); overflow: hidden; transform: perspective(1400px) rotateY(-6deg) rotateX(3deg);
}
.mock__bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.mock__bar i { width: 10px; height: 10px; border-radius: 50%; background: #e2e8f0; }
.mock__bar i:nth-child(1) { background: #f87171; }
.mock__bar i:nth-child(2) { background: #fbbf24; }
.mock__bar i:nth-child(3) { background: #34d399; }
.mock__bar span { margin-left: 12px; font-size: .75rem; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 2px 10px; }
.mock__body { display: grid; grid-template-columns: 56px 1fr; min-height: 320px; }
.mock__side { background: var(--dark); padding: 16px 12px; display: flex; flex-direction: column; gap: 12px; }
.mock__side b { height: 30px; border-radius: 8px; background: rgba(255, 255, 255, .08); }
.mock__side b.on { background: var(--grad); }
.mock__main { padding: 18px; display: flex; flex-direction: column; gap: 16px; }
.mock__kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mock__kpis div { border: 1px solid var(--line); border-radius: 10px; padding: 10px; display: flex; flex-direction: column; }
.mock__kpis small { font-size: .68rem; color: var(--muted); }
.mock__kpis strong { font-family: var(--font-title); font-size: 1.05rem; }
.mock__kpis em { font-style: normal; font-size: .7rem; font-weight: 600; color: var(--green); }
.mock__chart { flex: 1; min-height: 120px; display: flex; align-items: flex-end; gap: 8px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; }
.mock__chart span { flex: 1; height: var(--h); border-radius: 6px 6px 2px 2px; background: var(--grad); opacity: .85; animation: grow 1.2s cubic-bezier(.2, .8, .2, 1) both; transform-origin: bottom; }
.mock__chart span:nth-child(odd) { opacity: .45; }
.mock__rows { display: grid; gap: 8px; }
.mock__rows i { height: 10px; border-radius: 6px; background: var(--line); }
.mock__rows i:nth-child(2) { width: 80%; }
.mock__rows i:nth-child(3) { width: 60%; }
@keyframes grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }

.float-badge {
    position: absolute; display: flex; align-items: center; gap: .5rem;
    background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: .7rem 1rem;
    font-size: .85rem; font-weight: 600; box-shadow: var(--shadow); animation: float 5s ease-in-out infinite;
}
.float-badge svg { width: 18px; height: 18px; color: #fff; background: var(--green); border-radius: 50%; padding: 3px; }
.float-badge--a { top: -18px; right: -10px; }
.float-badge--b { bottom: -22px; left: -24px; animation-delay: -2.5s; }
.pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(16, 185, 129, .6); animation: pulse 2s infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes pulse { to { box-shadow: 0 0 0 12px rgba(16, 185, 129, 0); } }

/* ---------- Faixa de destaques ---------- */
.strip { border-block: 1px solid var(--line); background: #fff; }
.strip__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.strip__grid div { padding: 28px 20px; display: flex; flex-direction: column; gap: .2rem; border-left: 1px solid var(--line); }
.strip__grid div:first-child { border-left: 0; }
.strip__grid strong { font-family: var(--font-title); font-size: 1.6rem; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.strip__grid span { color: var(--muted); font-size: .92rem; }

/* ---------- Seções ---------- */
.section { padding: 100px 0; }
.section--tight { padding: 50px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--dark); color: #e2e8f0; }
.section--dark h2, .section--dark h3 { color: #fff; }
.section__head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section__head p { color: var(--muted); font-size: 1.08rem; }
.section__head--left { text-align: left; margin: 0; }

.split { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: center; }

.cards { display: grid; gap: 24px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--2 { grid-template-columns: repeat(2, 1fr); }
.card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px;
    transition: transform .3s, box-shadow .3s, border-color .3s;
}

/* Serviços */
.service { display: flex; flex-direction: column; }
.service:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(79, 70, 229, .3); }
.service__icon {
    width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
    background: var(--grad); color: #fff; margin-bottom: 1.4rem; box-shadow: 0 10px 20px -8px rgba(79, 70, 229, .6);
}
.service__icon svg { width: 28px; height: 28px; }
.service p { color: var(--muted); }
.checklist { list-style: none; padding: 0; margin: 0 0 1.6rem; display: grid; gap: .55rem; }
.checklist li { display: flex; align-items: center; gap: .55rem; font-size: .95rem; font-weight: 500; }
.checklist svg { width: 18px; height: 18px; flex: none; color: var(--primary); background: rgba(79, 70, 229, .1); border-radius: 50%; padding: 3px; }

/* Problemas */
.section__head--left .btn { margin-top: .8rem; }
.problems { display: grid; gap: 16px; }
.problem {
    display: flex; gap: 1rem; align-items: flex-start; background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 22px 24px; transition: transform .3s, box-shadow .3s;
}
.problem:hover { transform: translateX(6px); box-shadow: var(--shadow); }
.problem__x {
    flex: none; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
    background: #fee2e2; color: #dc2626; font-weight: 700; font-size: 1.2rem;
}
.problem h3 { font-size: 1.05rem; margin-bottom: .25rem; }
.problem p { margin: 0; color: var(--muted); font-size: .95rem; }

/* Projetos */
.filters { display: flex; justify-content: center; gap: .5rem; margin-bottom: 36px; flex-wrap: wrap; }
.filter {
    font-family: inherit; font-weight: 600; font-size: .92rem; cursor: pointer;
    padding: .55rem 1.2rem; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--muted);
    transition: all .2s;
}
.filter:hover { color: var(--primary); border-color: var(--primary); }
.filter.is-active { background: var(--text); color: #fff; border-color: var(--text); }
.project { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.project:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project.is-hidden { display: none; }
.project__img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-soft); }
.project__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.project:hover .project__img img { transform: scale(1.04); }
.project__body { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.project__body p { color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1rem; }
.tags span { font-size: .75rem; font-weight: 600; padding: .3rem .7rem; border-radius: 999px; background: rgba(79, 70, 229, .08); color: var(--primary); }
.projects__empty { text-align: center; color: var(--muted); margin-top: 1rem; }

/* Parceria / diferenciais */
.partner p { color: #94a3b8; font-size: 1.05rem; margin-bottom: 2rem; }
.diff {
    background: var(--dark-2); border: 1px solid rgba(255, 255, 255, .06); border-radius: var(--radius); padding: 28px;
    transition: border-color .3s, transform .3s;
}
.diff:hover { border-color: rgba(124, 58, 237, .6); transform: translateY(-4px); }
.diff__num { display: inline-block; font-family: var(--font-title); font-weight: 800; font-size: .9rem; color: #a5b4fc; margin-bottom: .8rem; }
.diff h3 { font-size: 1.1rem; }
.diff p { margin: 0; color: #94a3b8; font-size: .95rem; }

/* Processo */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; position: relative; }
.steps::before {
    content: ''; position: absolute; top: 28px; left: 10%; right: 10%; height: 2px;
    background: linear-gradient(90deg, transparent, rgba(79, 70, 229, .35), transparent);
}
.step { text-align: center; position: relative; padding: 0 6px; }
.step__num {
    width: 56px; height: 56px; margin: 0 auto 1.2rem; border-radius: 50%; display: grid; place-items: center;
    font-family: var(--font-title); font-weight: 800; color: var(--primary); background: #fff;
    border: 2px solid rgba(79, 70, 229, .25); position: relative; z-index: 1; transition: all .3s;
}
.step:hover .step__num { background: var(--grad); color: #fff; border-color: transparent; transform: scale(1.08); }
.step h3 { font-size: 1.05rem; }
.step p { color: var(--muted); font-size: .92rem; margin: 0; }

/* Tecnologias */
.tech { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.tech__title { margin: 0; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-size: .82rem; }
.tech__list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .6rem; }
.tech__list li {
    padding: .55rem 1.1rem; border-radius: 10px; background: #fff; border: 1px solid var(--line);
    font-weight: 600; font-size: .92rem; color: var(--text);
}

/* FAQ */
.faq-wrap { display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; align-items: start; }
.faq-wrap .section__head { position: sticky; top: calc(var(--header-h) + 30px); }
.faq { display: grid; gap: 12px; }
.faq__item { border: 1px solid var(--line); border-radius: 14px; background: #fff; transition: border-color .3s, box-shadow .3s; }
.faq__item[open] { border-color: rgba(79, 70, 229, .35); box-shadow: var(--shadow); }
.faq__item summary {
    list-style: none; cursor: pointer; padding: 20px 24px; font-weight: 600; font-size: 1.02rem;
    display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__icon { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--bg-soft); position: relative; transition: transform .3s, background .3s; }
.faq__icon::before, .faq__icon::after { content: ''; position: absolute; top: 50%; left: 50%; width: 10px; height: 2px; background: var(--primary); transform: translate(-50%, -50%); }
.faq__icon::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .3s; }
.faq__item[open] .faq__icon { background: rgba(79, 70, 229, .1); }
.faq__item[open] .faq__icon::after { transform: translate(-50%, -50%) rotate(0); }
.faq__item p { padding: 0 24px 22px; margin: 0; color: var(--muted); }

/* Contato */
.section--cta { background: var(--dark); background-image: radial-gradient(700px 400px at 0% 0%, rgba(79, 70, 229, .35), transparent 70%), radial-gradient(600px 400px at 100% 100%, rgba(124, 58, 237, .3), transparent 70%); color: #e2e8f0; }
.section--cta h2 { color: #fff; }
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.contact__info > p { color: #94a3b8; font-size: 1.08rem; }
.contact__list { list-style: none; padding: 0; margin: 1.8rem 0 2rem; display: grid; gap: .9rem; }
.contact__list a, .contact__list span { display: inline-flex; align-items: center; gap: .7rem; color: #e2e8f0; font-weight: 500; }
.contact__list svg { width: 22px; height: 22px; color: #a5b4fc; }
.contact__list a:hover { color: #fff; }
.btn--light svg { width: 20px; height: 20px; color: #25d366; }

.form { display: grid; gap: 16px; padding: 36px; color: var(--text); box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .5); }
.form h3 { font-size: 1.4rem; margin-bottom: .2rem; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: .4rem; font-size: .88rem; font-weight: 600; }
.form input[type="text"], .form input[type="tel"], .form input[type="email"], .form textarea {
    width: 100%; font: inherit; font-weight: 400; color: var(--text); padding: .8rem 1rem;
    border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg-soft);
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.form textarea { resize: vertical; min-height: 110px; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(79, 70, 229, .12); }
.form .is-invalid { border-color: #ef4444 !important; }
.form__chips { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.form__chips legend { font-size: .88rem; font-weight: 600; margin-bottom: .5rem; padding: 0; }
.form__chips label { display: block; }
.form__chips input { position: absolute; opacity: 0; pointer-events: none; }
.form__chips span {
    display: inline-block; padding: .5rem 1rem; border-radius: 999px; border: 1px solid var(--line);
    font-weight: 600; font-size: .88rem; color: var(--muted); cursor: pointer; transition: all .2s;
}
.form__chips input:checked + span { background: var(--grad); color: #fff; border-color: transparent; }
.form__chips input:focus-visible + span { box-shadow: 0 0 0 4px rgba(79, 70, 229, .2); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form__status { margin: 0; font-size: .92rem; font-weight: 500; min-height: 1.2em; }
.form__status.is-ok { color: var(--green); }
.form__status.is-error { color: #dc2626; }
.form__status a { font-weight: 700; }
.form button[disabled] { opacity: .7; cursor: wait; }

/* Footer */
.footer { background: #070b16; color: #94a3b8; padding: 60px 0 0; }
.footer__inner { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer__desc { margin-top: 1rem; max-width: 320px; font-size: .95rem; }
.footer__nav, .footer__contact { display: grid; gap: .6rem; align-content: start; }
.footer a { color: #cbd5e1; }
.footer a:hover { color: #fff; }
.footer__bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding-block: 22px; font-size: .85rem; }

/* WhatsApp flutuante */
.wa-float {
    position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 58px; height: 58px; border-radius: 50%;
    background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 10px 25px -5px rgba(37, 211, 102, .6);
    transition: transform .2s;
}
.wa-float svg { width: 30px; height: 30px; }
.wa-float:hover { transform: scale(1.08); }

/* Animação de entrada */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; transition-delay: var(--d, 0ms); }
.reveal.is-visible { opacity: 1; transform: none; }


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

/* ---------- Responsivo ---------- */
@media (max-width: 1024px) {
    .cards--3 { grid-template-columns: 1fr 1fr; }
    .steps { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
    .steps::before { display: none; }
}

@media (max-width: 900px) {
    .menu-toggle { display: block; }
    .nav {
        position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
        background: #fff; border-bottom: 1px solid var(--line); padding: 10px 20px 24px;
        transform: translateY(-120%); transition: transform .35s ease; box-shadow: var(--shadow); z-index: -1;
    }
    .nav.is-open { transform: none; }
    .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .nav a:not(.btn)::after { display: none; }
    .nav__cta { margin-top: 16px; }

    .hero { padding-top: calc(var(--header-h) + 40px); }
    .hero__inner, .split, .contact, .faq-wrap { grid-template-columns: 1fr; gap: 48px; }
    .hero__visual { max-width: 560px; margin: 0 auto; width: 100%; }
    .mock { transform: none; }
    .faq-wrap .section__head { position: static; }
    .strip__grid { grid-template-columns: 1fr 1fr; }
    .strip__grid div:nth-child(3) { border-left: 0; }
    .strip__grid div:nth-child(n+3) { border-top: 1px solid var(--line); }
    .footer__inner { grid-template-columns: 1fr 1fr; }
    .footer__inner > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
    .section { padding: 72px 0; }
    .container { padding: 0 16px; }
    .cards--3, .cards--2 { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; text-align: left; }
    .step { display: grid; grid-template-columns: 56px 1fr; column-gap: 16px; text-align: left; }
    .step__num { margin: 0; grid-row: span 2; }
    .form { padding: 24px; }
    .form__row { grid-template-columns: 1fr; }
    .hero__ctas .btn { width: 100%; }
    .float-badge--a { right: 0; }
    .float-badge--b { left: 0; }
    .mock__body { grid-template-columns: 40px 1fr; }
    .mock__side { padding: 12px 8px; }
    .mock__kpis strong { font-size: .9rem; }
    .card { padding: 24px; }
    .project { padding: 0; }
}