/* =====================================================
   SONEXUS — Landing Page
   Dark tech premium · fontes locais · acessível
   ===================================================== */

/* ---------- Fontes locais ---------- */
@font-face { font-family:'Inter'; font-style:normal; font-weight:400; font-display:swap; src:url('../fonts/inter-400.woff2') format('woff2'); }
@font-face { font-family:'Inter'; font-style:normal; font-weight:500; font-display:swap; src:url('../fonts/inter-500.woff2') format('woff2'); }
@font-face { font-family:'Inter'; font-style:normal; font-weight:600; font-display:swap; src:url('../fonts/inter-600.woff2') format('woff2'); }
@font-face { font-family:'Inter'; font-style:normal; font-weight:700; font-display:swap; src:url('../fonts/inter-700.woff2') format('woff2'); }
@font-face { font-family:'Space Grotesk'; font-style:normal; font-weight:500; font-display:swap; src:url('../fonts/space-grotesk-500.woff2') format('woff2'); }
@font-face { font-family:'Space Grotesk'; font-style:normal; font-weight:600; font-display:swap; src:url('../fonts/space-grotesk-600.woff2') format('woff2'); }
@font-face { font-family:'Space Grotesk'; font-style:normal; font-weight:700; font-display:swap; src:url('../fonts/space-grotesk-700.woff2') format('woff2'); }
@font-face { font-family:'JetBrains Mono'; font-style:normal; font-weight:400; font-display:swap; src:url('../fonts/jetbrains-mono-400.woff2') format('woff2'); }
@font-face { font-family:'JetBrains Mono'; font-style:normal; font-weight:500; font-display:swap; src:url('../fonts/jetbrains-mono-500.woff2') format('woff2'); }

/* ---------- Variáveis ---------- */
:root {
    --bg:        #0A0B12;
    --bg-alt:    #0E0F18;
    --surface:   #14151F;
    --surface-2: #1B1C29;
    --border:        rgba(255,255,255,.08);
    --border-strong: rgba(255,255,255,.15);

    --text:       #EDEEF5;
    --text-muted: #A4A6B8;
    --text-dim:   #6E7082;

    --indigo:       #6366F1;
    --indigo-light: #818CF8;
    --violet:       #8B5CF6;
    --cyan:         #22D3EE;
    --cyan-light:   #67E8F9;
    --green:        #34D399;
    --amber:        #FBBF24;
    --red:          #F87171;

    --indigo-rgb: 99,102,241;
    --cyan-rgb:   34,211,238;

    --grad-text: linear-gradient(100deg, var(--indigo-light) 0%, var(--cyan) 100%);
    --grad-btn:  linear-gradient(135deg, var(--indigo) 0%, var(--violet) 100%);

    --font-display:'Space Grotesk', 'Inter', sans-serif;
    --font-sans:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

    --container: 1200px;
    --radius-sm: 8px;
    --radius:    14px;
    --radius-lg: 22px;
    --radius-xl: 28px;

    --shadow:    0 18px 50px -20px rgba(0,0,0,.7);
    --shadow-lg: 0 40px 90px -30px rgba(0,0,0,.85);
    --glow-indigo: 0 0 0 1px rgba(var(--indigo-rgb),.3), 0 20px 60px -15px rgba(var(--indigo-rgb),.45);

    --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing:border-box; }
* { margin:0; }
html { scroll-behavior:smooth; scroll-padding-top:86px; -webkit-text-size-adjust:100%; overflow-x:hidden; max-width:100%; }

body {
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.65;
    color:var(--text);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    overflow-x:hidden;
}

img, svg, video { display:block; max-width:100%; }
img { height:auto; }
a { color:inherit; text-decoration:none; }
ul, ol { list-style:none; padding:0; }
button { font:inherit; color:inherit; cursor:pointer; background:none; border:none; }
input, textarea { font:inherit; }

h1, h2, h3, h4 { font-family:var(--font-display); font-weight:600; line-height:1.12; letter-spacing:-.02em; }

::selection { background:rgba(var(--indigo-rgb),.35); color:#fff; }

:focus-visible { outline:2px solid var(--indigo-light); outline-offset:3px; border-radius:4px; }

/* ---------- Utilidades ---------- */
.container { width:100%; max-width:var(--container); margin-inline:auto; padding-inline:24px; }
.container--narrow { max-width:840px; }
.mono { font-family:var(--font-mono); font-feature-settings:"tnum"; }
.text-grad {
    background:var(--grad-text);
    -webkit-background-clip:text; background-clip:text;
    -webkit-text-fill-color:transparent; color:transparent;
}

.icon { width:24px; height:24px; flex:none; }
.icon--xs { width:15px; height:15px; }
.icon--sm { width:18px; height:18px; }
.icon--lg { width:32px; height:32px; }

.skip-link {
    position:absolute; left:16px; top:-60px; z-index:200;
    background:var(--indigo); color:#fff; padding:10px 18px; border-radius:10px;
    font-weight:600; transition:top .2s var(--ease);
}
.skip-link:focus { top:16px; }

/* ---------- Eyebrow / chips ---------- */
.eyebrow {
    display:inline-flex; align-items:center; gap:7px;
    font-family:var(--font-mono); font-size:.72rem; font-weight:500;
    letter-spacing:.12em; text-transform:uppercase;
    color:var(--indigo-light);
    padding:6px 12px; border-radius:999px;
    border:1px solid var(--border); background:rgba(var(--indigo-rgb),.07);
}
.eyebrow .icon { color:var(--cyan); }
.eyebrow--muted { color:var(--text-dim); border:none; background:none; padding:0; }
.eyebrow--hero { color:var(--text-muted); }

.chip {
    display:inline-flex; align-items:center; gap:7px;
    padding:7px 14px; border-radius:999px;
    border:1px solid var(--border); background:var(--surface);
    font-size:.85rem; font-weight:500; color:var(--text-muted);
}
.chip .icon { color:var(--indigo-light); }

/* ---------- Botões ---------- */
.btn {
    display:inline-flex; align-items:center; justify-content:center; gap:9px;
    font-family:var(--font-sans); font-weight:600; font-size:.95rem;
    padding:12px 22px; border-radius:12px;
    border:1px solid transparent; transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, border-color .2s;
    white-space:nowrap;
}
.btn .icon { transition:transform .2s var(--ease); }
.btn--sm { padding:9px 16px; font-size:.88rem; }
.btn--lg { padding:15px 28px; font-size:1rem; }
.btn--block { width:100%; }

.btn--primary { background:var(--grad-btn); color:#fff; box-shadow:0 10px 30px -10px rgba(var(--indigo-rgb),.7); }
.btn--primary:hover { transform:translateY(-2px); box-shadow:0 16px 40px -12px rgba(var(--indigo-rgb),.85); }
.btn--primary:hover .icon { transform:translateX(3px); }

.btn--ghost { background:rgba(255,255,255,.04); color:var(--text); border-color:var(--border-strong); }
.btn--ghost:hover { background:rgba(255,255,255,.08); transform:translateY(-2px); }

/* ---------- Checklist ---------- */
.checklist { display:grid; gap:12px; }
.checklist li { display:flex; align-items:flex-start; gap:11px; color:var(--text-muted); }
.checklist .icon { color:var(--green); margin-top:3px; }
.checklist--lg li { font-size:1.02rem; }

/* =====================================================
   HEADER
   ===================================================== */
.site-header {
    position:fixed; inset:0 0 auto 0; z-index:100;
    transition:background .3s var(--ease), border-color .3s, backdrop-filter .3s;
    border-bottom:1px solid transparent;
}
.site-header.is-stuck {
    background:rgba(10,11,18,.72);
    backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
    border-bottom-color:var(--border);
}
.site-header__inner { display:flex; align-items:center; justify-content:space-between; height:72px; }

.brand { display:inline-flex; align-items:center; gap:11px; }
.brand__mark { width:32px; height:32px; }
.brand__name { font-family:var(--font-display); font-weight:700; font-size:1.32rem; letter-spacing:-.02em; }

.nav-desktop { display:flex; align-items:center; gap:6px; }
.nav-link {
    padding:9px 14px; border-radius:9px; font-size:.92rem; font-weight:500;
    color:var(--text-muted); transition:color .2s, background .2s;
}
.nav-link:hover { color:var(--text); background:rgba(255,255,255,.05); }
.nav-desktop .btn { margin-left:10px; }

.hamburger { display:none; padding:8px; border-radius:9px; color:var(--text); border:1px solid var(--border); }
.hamburger:hover { background:rgba(255,255,255,.05); }

/* Mobile menu */
.mobile-menu {
    position:fixed; inset:72px 0 0 0; z-index:99;
    background:rgba(10,11,18,.97); backdrop-filter:blur(20px);
    padding:32px 24px; transform:translateY(-12px); opacity:0; visibility:hidden; pointer-events:none;
    overflow-y:auto;
    transition:opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
}
.mobile-menu.is-open { opacity:1; visibility:visible; transform:none; pointer-events:auto; }
.mobile-menu__nav { display:flex; flex-direction:column; gap:6px; }
.mobile-menu__link { padding:15px 8px; font-size:1.15rem; font-weight:500; border-bottom:1px solid var(--border); color:var(--text); }
.mobile-menu__cta { margin-top:20px; }

/* =====================================================
   HERO
   ===================================================== */
.hero { position:relative; padding:148px 0 90px; overflow:hidden; }
.hero__bg { position:absolute; inset:0; z-index:0; pointer-events:none; }

.glow { position:absolute; border-radius:50%; filter:blur(90px); opacity:.5; }
.glow--indigo { width:520px; height:520px; background:rgba(var(--indigo-rgb),.5); top:-160px; left:-120px; animation:float1 14s ease-in-out infinite; }
.glow--cyan   { width:440px; height:440px; background:rgba(var(--cyan-rgb),.32); top:60px; right:-120px; animation:float2 17s ease-in-out infinite; }

.grid-lines {
    position:absolute; inset:0;
    background-image:linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size:54px 54px;
    -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 30%, #000 0%, transparent 75%);
            mask-image:radial-gradient(ellipse 80% 60% at 50% 30%, #000 0%, transparent 75%);
}

.hero__grid {
    position:relative; z-index:1;
    display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center;
}
.hero__content { max-width:600px; }
.eyebrow--hero { margin-bottom:24px; }
.hero__title { font-size:clamp(2.3rem, 5.2vw, 3.7rem); font-weight:700; }
.hero__lead { margin-top:24px; font-size:1.14rem; color:var(--text-muted); max-width:540px; }
.hero__lead strong { color:var(--text); font-weight:600; }

.hero__actions { display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }
.hero__trust { display:flex; flex-wrap:wrap; gap:18px 26px; margin-top:38px; }
.hero__trust li { display:flex; align-items:center; gap:9px; font-size:.9rem; color:var(--text-muted); }
.hero__trust .icon { color:var(--cyan); }

/* Hero visual */
.hero__visual { position:relative; }
.hero__visual .app-frame--hero { position:relative; z-index:2; }

.wave {
    position:absolute; z-index:1; left:50%; top:-46px; transform:translateX(-50%);
    display:flex; align-items:flex-end; gap:5px; height:80px; opacity:.85;
}
.wave__bar {
    width:5px; border-radius:3px;
    background:linear-gradient(to top, var(--indigo), var(--cyan));
    height:18px; transform-origin:bottom;
    animation:wave 1.5s ease-in-out infinite;
    animation-delay:calc(var(--i) * -0.09s);
}

.float-card {
    position:absolute; z-index:3;
    display:flex; align-items:center; gap:11px;
    padding:12px 16px; border-radius:14px;
    background:rgba(20,21,31,.85); backdrop-filter:blur(10px);
    border:1px solid var(--border-strong); box-shadow:var(--shadow);
}
.float-card div { display:flex; flex-direction:column; line-height:1.3; }
.float-card strong { font-size:.84rem; font-weight:600; }
.float-card .mono { font-size:.78rem; color:var(--text-muted); }
.float-card--ok { left:-26px; top:24%; animation:floaty 6s ease-in-out infinite; }
.float-card--ok .icon { color:var(--green); }
.float-card--alert { right:-22px; bottom:16%; animation:floaty 6s ease-in-out infinite .8s; }
.float-card--alert .icon { color:var(--amber); }

/* =====================================================
   APP FRAME (mockup de navegador)
   ===================================================== */
.app-frame {
    border-radius:var(--radius-lg); overflow:hidden;
    background:var(--surface); border:1px solid var(--border-strong);
    box-shadow:var(--shadow-lg);
    transition:transform .4s var(--ease);
}
.app-frame__bar {
    display:flex; align-items:center; gap:14px;
    padding:11px 16px; background:#0f1019; border-bottom:1px solid var(--border);
}
.app-frame__dots { display:flex; gap:7px; }
.app-frame__dots i { width:11px; height:11px; border-radius:50%; background:#2a2c3b; }
.app-frame__dots i:nth-child(1){ background:#3a3d52; }
.app-frame__url {
    display:flex; align-items:center; gap:7px;
    font-family:var(--font-mono); font-size:.74rem; color:var(--text-dim);
    background:#0a0b12; border:1px solid var(--border); border-radius:7px;
    padding:5px 12px; flex:1; max-width:320px;
}
.app-frame__url .icon { color:var(--green); }
.app-frame__shot { background:#fff; }
.app-frame__shot img { width:100%; }

/* =====================================================
   DEVICES (marquee)
   ===================================================== */
.devices { padding:30px 0 8px; }
.devices__label { text-align:center; font-size:.82rem; color:var(--text-dim); letter-spacing:.04em; margin-bottom:22px; }
.marquee {
    position:relative; overflow:hidden;
    -webkit-mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
            mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track { display:flex; gap:14px; width:max-content; animation:marquee 34s linear infinite; }
.marquee[data-paused] .marquee__track { animation-play-state:paused; }
.marquee__item {
    display:flex; align-items:center; gap:10px; flex:none;
    padding:11px 20px; border-radius:12px;
    border:1px solid var(--border); background:var(--surface);
    font-family:var(--font-mono); font-size:.86rem; color:var(--text-muted);
}
.marquee__item .icon { color:var(--indigo-light); }

/* =====================================================
   SEÇÕES genéricas
   ===================================================== */
.section { position:relative; padding:90px 0; }
.section--alt { background:var(--bg-alt); border-block:1px solid var(--border); }

.section-header { max-width:680px; margin:0 auto 56px; text-align:center; }
.section-header--left { margin-inline:0; text-align:left; }
.section-header .eyebrow { margin-bottom:18px; }
.section-title { font-size:clamp(1.8rem, 3.6vw, 2.65rem); }
.section-sub { margin-top:18px; font-size:1.08rem; color:var(--text-muted); }

/* =====================================================
   MÓDULOS
   ===================================================== */
.modules { display:grid; grid-template-columns:repeat(2,1fr); gap:26px; }
.module-card {
    position:relative; padding:34px; border-radius:var(--radius-lg);
    background:linear-gradient(180deg, var(--surface), var(--bg-alt));
    border:1px solid var(--border); overflow:hidden;
    transition:transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.module-card::before {
    content:""; position:absolute; inset:0; padding:1px; border-radius:inherit;
    background:linear-gradient(135deg, rgba(var(--indigo-rgb),.5), transparent 45%);
    -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite:xor; mask-composite:exclude;
    opacity:0; transition:opacity .3s; pointer-events:none;
}
.module-card:hover { transform:translateY(-5px); box-shadow:var(--shadow); }
.module-card:hover::before { opacity:1; }
.module-card__top { display:flex; align-items:center; justify-content:space-between; margin-bottom:22px; }
.module-card__icon {
    display:inline-flex; padding:13px; border-radius:14px;
    background:rgba(var(--indigo-rgb),.12); color:var(--indigo-light);
    border:1px solid var(--border);
}
.module-card__title { font-size:1.5rem; margin-bottom:12px; }
.module-card__resumo { color:var(--text-muted); margin-bottom:24px; }
.module-card .checklist { margin-bottom:26px; }
.module-card__link {
    display:inline-flex; align-items:center; gap:8px;
    font-weight:600; color:var(--indigo-light);
}
.module-card__link .icon { transition:transform .2s var(--ease); }
.module-card:hover .module-card__link .icon { transform:translateX(4px); }

/* =====================================================
   FEATURE SPLIT (texto + visual)
   ===================================================== */
.feature-split {
    display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;
    margin-top:20px;
}
.feature-split--reverse .feature-split__visual { order:-1; }

.feature-list { display:grid; gap:28px; }
.feature-list li { display:flex; gap:18px; }
.feature-list__icon {
    flex:none; display:inline-flex; padding:11px; border-radius:13px; height:fit-content;
    background:rgba(var(--cyan-rgb),.1); color:var(--cyan);
    border:1px solid var(--border);
}
.feature-list h3 { font-size:1.18rem; margin-bottom:6px; }
.feature-list p { color:var(--text-muted); font-size:.97rem; }

.feature-split__visual { position:relative; }
.feature-split__float {
    position:absolute; right:-28px; bottom:-44px; width:54%; z-index:3;
}
.feature-split__float .app-frame { box-shadow:var(--shadow-lg); }
.feature-split--reverse .feature-split__float { right:auto; left:-28px; }

/* Duo de screenshots */
.shot-duo { display:grid; grid-template-columns:1fr 1fr; gap:26px; margin-top:96px; }
.shot-duo__item figcaption { margin-top:16px; color:var(--text-muted); font-size:.95rem; text-align:center; }

/* Faixa de alertas */
.alert-band {
    display:grid; grid-template-columns:.85fr 1.15fr; gap:44px; align-items:center;
    margin-top:64px; padding:40px; border-radius:var(--radius-xl);
    background:linear-gradient(135deg, rgba(var(--indigo-rgb),.12), rgba(var(--cyan-rgb),.06));
    border:1px solid var(--border);
}
.alert-band h3 { font-size:1.6rem; margin-bottom:14px; }
.alert-band p { color:var(--text-muted); margin-bottom:22px; }
.alert-band__channels { display:flex; gap:12px; }

/* =====================================================
   FEATURE GRID (recursos)
   ===================================================== */
.feature-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.feature-card {
    padding:28px; border-radius:var(--radius); background:var(--surface);
    border:1px solid var(--border);
    transition:transform .3s var(--ease), border-color .3s, background .3s;
}
.feature-card:hover { transform:translateY(-4px); border-color:var(--border-strong); background:var(--surface-2); }
.feature-card__icon {
    display:inline-flex; padding:12px; border-radius:13px; margin-bottom:18px;
    background:rgba(var(--indigo-rgb),.1); color:var(--indigo-light);
    border:1px solid var(--border);
}
.feature-card h3 { font-size:1.14rem; margin-bottom:9px; }
.feature-card p { color:var(--text-muted); font-size:.95rem; }

/* =====================================================
   STEPS (como funciona)
   ===================================================== */
.steps { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; counter-reset:step; }
.step { position:relative; padding:30px 24px; border-radius:var(--radius); background:var(--surface); border:1px solid var(--border); }
.step__num {
    display:inline-block; font-size:2.1rem; font-weight:500;
    background:var(--grad-text); -webkit-background-clip:text; background-clip:text;
    -webkit-text-fill-color:transparent; margin-bottom:14px;
}
.step__title { font-size:1.16rem; margin-bottom:8px; }
.step__text { color:var(--text-muted); font-size:.95rem; }

/* =====================================================
   TECNOLOGIA
   ===================================================== */
.tech { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.tech__lead { font-size:1.1rem; color:var(--text-muted); margin-bottom:34px; }
.stat-row { display:grid; grid-template-columns:repeat(2,1fr); gap:24px 30px; margin-bottom:34px; }
.stat { display:flex; flex-direction:column; }
.stat__num { font-size:2.6rem; font-weight:500; line-height:1; display:inline; }
.stat__suffix { font-size:1.4rem; color:var(--cyan); }
.stat__label { margin-top:8px; color:var(--text-muted); font-size:.9rem; }
.tech__stack { display:flex; flex-wrap:wrap; gap:12px; }

/* =====================================================
   FAQ
   ===================================================== */
.faq { display:grid; gap:14px; }
.faq__item { border:1px solid var(--border); border-radius:var(--radius); background:var(--surface); overflow:hidden; }
.faq__item[open] { border-color:var(--border-strong); }
.faq__q {
    display:flex; align-items:center; justify-content:space-between; gap:16px;
    padding:22px 26px; font-family:var(--font-display); font-weight:500; font-size:1.08rem;
    list-style:none; cursor:pointer;
}
.faq__q::-webkit-details-marker { display:none; }
.faq__chev { color:var(--text-dim); transition:transform .3s var(--ease); }
.faq__item[open] .faq__chev { transform:rotate(180deg); color:var(--indigo-light); }
.faq__a { padding:0 26px 24px; color:var(--text-muted); }

/* =====================================================
   DEMO / FORM
   ===================================================== */
.demo { overflow:hidden; }
.demo__bg { position:absolute; inset:0; z-index:0; pointer-events:none; opacity:.6; }
.demo__bg .glow--indigo { top:auto; bottom:-160px; left:10%; }
.demo__bg .glow--cyan { top:-120px; right:5%; }
.demo__grid { position:relative; z-index:1; display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.demo__title { font-size:clamp(1.9rem,3.4vw,2.5rem); margin:18px 0; }
.demo__lead { color:var(--text-muted); font-size:1.08rem; margin-bottom:28px; }

.demo__form-wrap {
    padding:34px; border-radius:var(--radius-lg);
    background:var(--surface); border:1px solid var(--border-strong);
    box-shadow:var(--shadow-lg);
}
.form { display:grid; gap:18px; }
.form__row { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form__field { display:grid; gap:7px; }
.form__field label { font-size:.86rem; font-weight:500; color:var(--text-muted); }
.req { color:var(--cyan); }
.form input, .form textarea {
    width:100%; padding:13px 15px; border-radius:11px;
    background:var(--bg); border:1px solid var(--border-strong); color:var(--text);
    transition:border-color .2s, box-shadow .2s;
}
.form input::placeholder, .form textarea::placeholder { color:var(--text-dim); }
.form input:focus, .form textarea:focus {
    outline:none; border-color:var(--indigo); box-shadow:0 0 0 3px rgba(var(--indigo-rgb),.18);
}
.form textarea { resize:vertical; min-height:104px; }
.form input.is-invalid, .form textarea.is-invalid { border-color:var(--red); box-shadow:0 0 0 3px rgba(248,113,113,.15); }
.form__hp { position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.form__note { font-size:.88rem; color:var(--text-muted); min-height:1.2em; text-align:center; }
.form__note.is-err { color:var(--red); }
.form__note.is-ok { color:var(--green); }

.form-alert {
    display:flex; gap:14px; align-items:flex-start; margin-bottom:22px;
    padding:18px 20px; border-radius:14px; border:1px solid var(--border);
}
.form-alert strong { display:block; margin-bottom:2px; }
.form-alert p { font-size:.92rem; color:var(--text-muted); }
.form-alert--ok { background:rgba(52,211,153,.08); border-color:rgba(52,211,153,.3); }
.form-alert--ok .icon { color:var(--green); }
.form-alert--err { background:rgba(248,113,113,.08); border-color:rgba(248,113,113,.3); }
.form-alert--err .icon { color:var(--red); }

/* =====================================================
   FOOTER
   ===================================================== */
.site-footer { border-top:1px solid var(--border); padding:64px 0 36px; background:var(--bg-alt); }
.site-footer__grid { display:grid; grid-template-columns:2fr 1fr 1fr 1.3fr; gap:40px; }
.site-footer__tagline { margin-top:18px; color:var(--text-muted); font-size:.92rem; max-width:340px; }
.site-footer__title { font-family:var(--font-display); font-size:.82rem; letter-spacing:.08em; text-transform:uppercase; color:var(--text-dim); margin-bottom:18px; }
.site-footer__col ul { display:grid; gap:11px; }
.site-footer__col a { color:var(--text-muted); font-size:.94rem; transition:color .2s; }
.site-footer__col a:hover { color:var(--text); }
.site-footer__contact { display:inline-flex; align-items:center; gap:9px; }
.site-footer__contact .icon { color:var(--indigo-light); }
.site-footer__bottom {
    display:flex; flex-wrap:wrap; gap:8px 24px; justify-content:space-between;
    margin-top:48px; padding-top:26px; border-top:1px solid var(--border);
    color:var(--text-dim); font-size:.86rem;
}

/* CTA flutuante */
.cta-float {
    position:fixed; right:22px; bottom:22px; z-index:90;
    display:inline-flex; align-items:center; gap:9px;
    padding:13px 20px; border-radius:999px; font-weight:600; font-size:.92rem;
    background:var(--grad-btn); color:#fff; box-shadow:0 14px 36px -10px rgba(var(--indigo-rgb),.8);
    transform:translateY(120px); opacity:0; transition:transform .35s var(--ease), opacity .35s;
}
.cta-float.is-visible { transform:none; opacity:1; }
.cta-float:hover { transform:translateY(-3px); }
.cta-float .icon { color:#fff; }

/* =====================================================
   ANIMAÇÕES
   ===================================================== */
@keyframes wave { 0%,100%{ transform:scaleY(.35); } 50%{ transform:scaleY(1.6); } }
@keyframes marquee { to { transform:translateX(-50%); } }
@keyframes float1 { 0%,100%{ transform:translate(0,0); } 50%{ transform:translate(40px,30px); } }
@keyframes float2 { 0%,100%{ transform:translate(0,0); } 50%{ transform:translate(-40px,20px); } }
@keyframes floaty { 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-10px); } }

[data-reveal] { opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal].is-visible { opacity:1; transform:none; }

/* =====================================================
   RESPONSIVO
   ===================================================== */
@media (max-width:1080px) {
    .hero__grid, .tech, .demo__grid { grid-template-columns:1fr; gap:48px; }
    .feature-split { grid-template-columns:1fr; gap:40px; }
    .feature-split--reverse .feature-split__visual { order:0; }
    .feature-split__float { position:relative; right:0; left:0 !important; bottom:0; width:72%; margin:-20px auto 0; }
    .feature-grid { grid-template-columns:repeat(2,1fr); }
    .steps { grid-template-columns:repeat(2,1fr); }
    .hero__visual { max-width:560px; margin-inline:auto; }
}

@media (max-width:760px) {
    .nav-desktop { display:none; }
    .hamburger { display:inline-flex; }
    html { scroll-padding-top:78px; }
    .section { padding:64px 0; }
    .hero { padding:120px 0 60px; }
    .modules, .shot-duo, .alert-band, .stat-row, .form__row { grid-template-columns:1fr; }
    .alert-band { padding:28px; }
    .site-footer__grid { grid-template-columns:1fr 1fr; gap:32px; }
    .site-footer__brand { grid-column:1 / -1; }
    .float-card--ok { left:-6px; }
    .float-card--alert { right:-6px; }
    .cta-float span { display:none; }
    .cta-float { padding:15px; }
}

@media (max-width:460px) {
    .container { padding-inline:18px; }
    .feature-grid, .steps { grid-template-columns:1fr; }
    .site-footer__grid { grid-template-columns:1fr; }
    .float-card { display:none; }
}

/* ---------- Reduz movimento ---------- */
@media (prefers-reduced-motion:reduce) {
    *, *::before, *::after { animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
    [data-reveal] { opacity:1; transform:none; }
    .wave__bar { transform:scaleY(1); }
}