:root {
    --grafite: #111316;
    --branco: #F7F4EE;
    --verde: #8FD14F;
    --verde-escuro: #78b83f;
    --azul: #17324D;
    --azul-2: #10263b;
    --areia: #D8C7AE;
    --areia-clara: #eee5d6;
    --branco-puro: #ffffff;

    --texto: #202328;
    --texto-suave: #5e6570;
    --muted-light: rgba(247, 244, 238, 0.78);
    --muted-dark: rgba(17, 19, 22, 0.72);
    --border-dark: rgba(17, 19, 22, 0.12);
    --border-light: rgba(247, 244, 238, 0.18);
    --borda: var(--border-dark);

    --shadow-xs: 0 8px 24px rgba(17, 19, 22, 0.06);
    --shadow-lg: 0 16px 36px rgba(17, 19, 22, 0.06);
    --shadow-soft: 0 18px 50px rgba(17, 19, 22, 0.10);
    --shadow-strong: 0 34px 90px rgba(0, 0, 0, 0.28);

    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 32px;
    --radius-xl: 32px;
    --radius-full: 999px;

    --container: 1200px;
    --section-y: clamp(74px, 8vw, 116px);
    --header-h: 76px;
    --ease: cubic-bezier(.2, .7, .2, 1);
    --transition: 180ms var(--ease);
}

*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 18px);
}

body {
    margin: 0;
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--branco);
    color: var(--texto);
    line-height: 1.58;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

img, picture, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, h4 { margin-top: 0; }
p { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

:focus-visible {
    outline: 3px solid rgba(143, 209, 79, 0.65);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 9999;
    transform: translateY(-160%);
    background: var(--verde);
    color: var(--grafite);
    padding: 12px 16px;
    border-radius: var(--radius-full);
    font-weight: 850;
    transition: transform var(--transition);
}

.skip-link:focus { transform: translateY(0); }

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    height: 3px;
    background: rgba(17, 19, 22, 0.18);
}

.reading-progress span {
    display: block;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--verde), #b7ef76);
}

.container {
    width: min(100% - 48px, var(--container));
    margin-inline: auto;
}

.section {
    position: relative;
    padding-block: var(--section-y);
    overflow: hidden;
}

.section-dark { background: var(--grafite); color: var(--branco); }

.section-blue {
    background:
        radial-gradient(circle at 82% 0%, rgba(143, 209, 79, 0.13), transparent 34%),
        linear-gradient(135deg, var(--azul), #0f1c2b 72%);
    color: var(--branco);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(17, 19, 22, 0.86);
    color: var(--branco);
    border-bottom: 1px solid rgba(247, 244, 238, 0.12);
    backdrop-filter: blur(18px);
    transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.site-header.is-scrolled {
    background: rgba(17, 19, 22, 0.95);
    border-color: rgba(247, 244, 238, 0.18);
    box-shadow: 0 14px 42px rgba(0, 0, 0, 0.20);
}

.header-inner {
    min-height: var(--header-h);
    display: flex;
    align-items: center;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: baseline;
    gap: 2px;
    color: var(--branco);
    font-size: 1.42rem;
    font-weight: 900;
    letter-spacing: -0.055em;
    white-space: nowrap;
}

.brand-mark { color: var(--verde); }
.brand-img { width: 150px; height: auto; }

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    margin-left: auto;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    background: rgba(247, 244, 238, 0.06);
    color: var(--branco);
}

.menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    border-radius: 99px;
    background: currentColor;
    transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.main-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 22px;
    margin-left: auto;
    color: rgba(247, 244, 238, 0.82);
    font-size: 0.94rem;
    font-weight: 720;
}

.main-nav a:not(.btn) {
    position: relative;
    padding: 8px 0;
    transition: color var(--transition);
}

.main-nav a:not(.btn)::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 2px;
    height: 2px;
    border-radius: 999px;
    transform: scaleX(0);
    transform-origin: left;
    background: var(--verde);
    transition: transform var(--transition);
}

.main-nav a:not(.btn):hover,
.main-nav a:not(.btn).is-active { color: var(--branco); }
.main-nav a:not(.btn):hover::after,
.main-nav a:not(.btn).is-active::after { transform: scaleX(1); }

.btn {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 22px;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    font-size: 0.96rem;
    font-weight: 850;
    line-height: 1;
    cursor: pointer;
    transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
    background: var(--verde);
    color: var(--grafite);
    box-shadow: 0 14px 34px rgba(143, 209, 79, 0.18);
}

.btn-primary:hover {
    background: #9cdd60;
    box-shadow: 0 18px 42px rgba(143, 209, 79, 0.28);
}

.btn-secondary {
    background: transparent;
    color: var(--grafite);
    border-color: rgba(17, 19, 22, 0.45);
}

.btn-secondary:hover {
    background: rgba(17, 19, 22, 0.06);
    border-color: var(--grafite);
}

.btn-secondary-dark {
    color: var(--branco);
    border-color: rgba(247, 244, 238, 0.55);
}

.btn-secondary-dark:hover {
    background: rgba(247, 244, 238, 0.08);
    border-color: var(--branco);
}

.btn-nav {
    min-height: 42px;
    padding: 12px 16px;
    font-size: 0.9rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 18px;
    color: var(--verde);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
}

.eyebrow.dark { color: var(--azul); }

.section-heading {
    max-width: 850px;
    margin-bottom: clamp(38px, 5vw, 58px);
}

.section-heading.centered {
    margin-inline: auto;
    text-align: center;
}

.section-heading.centered .eyebrow { justify-content: center; }

.section-heading p {
    color: var(--texto-suave);
    font-size: clamp(1rem, 1.3vw, 1.12rem);
}

.section-heading.light p { color: var(--muted-light); }

.site-footer {
    background: var(--grafite);
    color: rgba(247, 244, 238, 0.72);
    padding: 64px 0 26px;
    border-top: 1px solid var(--border-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr repeat(3, 1fr);
    gap: 32px;
    padding-bottom: 42px;
    border-bottom: 1px solid var(--border-light);
}

.footer-brand { margin-bottom: 14px; }

.footer-grid h3 {
    margin-bottom: 14px;
    color: var(--verde);
    font-size: 0.86rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.footer-grid p { color: var(--muted-light); }

.footer-grid a:not(.brand) {
    display: block;
    margin-top: 9px;
    color: rgba(247, 244, 238, 0.72);
    font-size: 0.95rem;
    transition: color var(--transition);
}

.footer-grid a:hover { color: var(--verde); }

.footer-bottom {
    padding-block: 22px;
    font-size: 0.88rem;
    color: rgba(247, 244, 238, 0.62);
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-on-load { animation: fadeUp 680ms var(--ease) both; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1080px) {
    .main-nav { gap: 14px; }
}

@media (max-width: 960px) {
    :root { --section-y: 78px; }

    .menu-toggle { display: block; }

    .main-nav {
        position: fixed;
        top: calc(var(--header-h) + 10px);
        right: 20px;
        left: 20px;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 14px;
        border: 1px solid var(--border-light);
        border-radius: 22px;
        background: rgba(17, 19, 22, 0.98);
        box-shadow: var(--shadow-strong);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-10px);
        transition: opacity 220ms var(--ease), transform 220ms var(--ease), visibility 220ms var(--ease);
    }

    .main-nav.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .main-nav a:not(.btn), .main-nav .btn {
        width: 100%;
        justify-content: flex-start;
        padding: 15px 12px;
        border-radius: 12px;
    }

    .main-nav a:not(.btn)::after { display: none; }
    .main-nav a:not(.btn):hover { background: rgba(247, 244, 238, 0.06); }

    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    :root { --header-h: 68px; --section-y: 66px; }

    .container { width: min(100% - 40px, var(--container)); }
    .header-inner { min-height: var(--header-h); }
    .brand { font-size: 1.32rem; }
    .btn { width: 100%; padding-inline: 18px; }
    .section-heading, .section-heading.centered { text-align: left; }
    .section-heading.centered .eyebrow { justify-content: flex-start; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
    .reveal { opacity: 1; transform: none; }
}

/* STICKY WHATSAPP — compartilhado (index.html usa, planos usa mobile-sticky-cta próprio) */
.sticky-whatsapp {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 90;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 18px;
    border-radius: var(--radius-full);
    background: var(--verde);
    color: var(--grafite);
    font-weight: 900;
    font-size: 0.93rem;
    box-shadow: 0 14px 38px rgba(17, 19, 22, 0.22);
    transform: translateY(120px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
}

body.is-scrolled .sticky-whatsapp {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 640px) {
    .sticky-whatsapp { left: 18px; right: 18px; bottom: 14px; }
    .site-footer { padding-bottom: 84px; }
}